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  <xs:element id="bxinfra_ClassDTEACCUnitsMember" abstract="true" name="ClassDTEACCUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_RedemptionsReceivable" abstract="false" name="RedemptionsReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_DueFromAffiliate" abstract="false" name="DueFromAffiliate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_ServicingFeesPayable" abstract="false" name="ServicingFeesPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_Redemptionspayable" abstract="false" name="Redemptionspayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_BXINFRAAggregatorCYML.P.Member" abstract="true" name="BXINFRAAggregatorCYML.P.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_ClassISeriesITEUnitsMember" abstract="true" name="ClassISeriesITEUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_ClassITESeriesIIUnitsMember" abstract="true" name="ClassITESeriesIIUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_ClassITESeriesIIIUnitsMember" abstract="true" name="ClassITESeriesIIIUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_DistributionsReinvested" abstract="false" name="DistributionsReinvested" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_DistributionsOfUnits" abstract="false" name="DistributionsOfUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_ServicingFees" abstract="false" name="ServicingFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_RepurchaseOfUnitsNetOfEarlyRepurchaseDeduction" abstract="false" name="RepurchaseOfUnitsNetOfEarlyRepurchaseDeduction" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_InvestmentInSubsidiaries" abstract="false" name="InvestmentInSubsidiaries" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_PaymentForServicingFees" abstract="false" name="PaymentForServicingFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_PaymentsForRepurchaseOfUnitsNetOfEarlyRepurchaseDeduction" abstract="false" name="PaymentsForRepurchaseOfUnitsNetOfEarlyRepurchaseDeduction" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_AccruedServicingFees" abstract="false" name="AccruedServicingFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_OtherSignificantNoncashTransactionDistributionsReinvested" abstract="false" name="OtherSignificantNoncashTransactionDistributionsReinvested" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_OtherSignificantNoncashTransactionDistributionsPayable" abstract="false" name="OtherSignificantNoncashTransactionDistributionsPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_OtherSignificantNoncashTransactionPaymentsForRepurchaseOfUnitsNetOfEarlyRepurchaseDeduction" abstract="false" name="OtherSignificantNoncashTransactionPaymentsForRepurchaseOfUnitsNetOfEarlyRepurchaseDeduction" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_NonCashOrPartNonCashEarlyRedemptionDeductionReceivableFromTheFeeder" abstract="false" name="NonCashOrPartNonCashEarlyRedemptionDeductionReceivableFromTheFeeder" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_ClassSUnitsMember" abstract="true" name="ClassSUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_ClassDUnitsMember" abstract="true" name="ClassDUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_RepurchaseAgreements" abstract="false" name="RepurchaseAgreements" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_OrganizationCostsPayable" abstract="false" name="OrganizationCostsPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_AdministrationFeesPayable" abstract="false" name="AdministrationFeesPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_OfferingCostsPayable" abstract="false" name="OfferingCostsPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_WarehousingFees" abstract="false" name="WarehousingFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_WarehousingFeesWaived" abstract="false" name="WarehousingFeesWaived" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_ExpenseSupport" abstract="false" name="ExpenseSupport" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_OrganizationalExpenses" abstract="false" name="OrganizationalExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_DeferredFinancingCostAmortization" abstract="false" name="DeferredFinancingCostAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_DeferredOfferingCostsAmortization" abstract="false" name="DeferredOfferingCostsAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_GeneralPartnerInterestMember" abstract="true" name="GeneralPartnerInterestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_ProceedsFromSubsidiaries" abstract="false" name="ProceedsFromSubsidiaries" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_UnitsIssuedForFees" abstract="false" name="UnitsIssuedForFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_ProceedsFromRepurchaseAgreements" abstract="false" name="ProceedsFromRepurchaseAgreements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_RepaymentOfRepurchaseAgreements" abstract="false" name="RepaymentOfRepurchaseAgreements" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_PaymentsForRedemptions" abstract="false" name="PaymentsForRedemptions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_DistributionsPaidInCash" abstract="false" name="DistributionsPaidInCash" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_IncreaseDecreaseInUnrealizedGainLossOnDerivativeInstruments" abstract="false" name="IncreaseDecreaseInUnrealizedGainLossOnDerivativeInstruments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_IncreaseDecreaseInDeferredTaxAsset" abstract="false" name="IncreaseDecreaseInDeferredTaxAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_AmortizationOfDebtInvestmentsLiquid" abstract="false" name="AmortizationOfDebtInvestmentsLiquid" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_PaymentForReinvestedDividendsInAffiliatedFunds" abstract="false" name="PaymentForReinvestedDividendsInAffiliatedFunds" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_IncreaseDecreaseInAccruedPerformanceParticipationAllocation" abstract="false" name="IncreaseDecreaseInAccruedPerformanceParticipationAllocation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_IncreaseDecreaseInOrganizationCostsPayable" abstract="false" name="IncreaseDecreaseInOrganizationCostsPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_IncreaseDecreaseInOfferingCostsPayable" abstract="false" name="IncreaseDecreaseInOfferingCostsPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_DerivativeAssetsCost" abstract="false" name="DerivativeAssetsCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_DerivativeLiabilityCost" abstract="false" name="DerivativeLiabilityCost" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_DigitalInfrastructureMember" abstract="true" name="DigitalInfrastructureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_EnergyInfrastructureMember" abstract="true" name="EnergyInfrastructureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_TechnologyMediaAndEntertainmentMember" abstract="true" name="TechnologyMediaAndEntertainmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_TransportationInfrastructureMember" abstract="true" name="TransportationInfrastructureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_WaterWasteInfrastructureMember" abstract="true" name="WaterWasteInfrastructureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_VariousMember" abstract="true" name="VariousMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_ConsumerAndServicesMember" abstract="true" name="ConsumerAndServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_EnergyMember" abstract="true" name="EnergyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_IndustrialsMember" abstract="true" name="IndustrialsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_InfrastructureServicesMember" abstract="true" name="InfrastructureServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_TransportationMember" abstract="true" name="TransportationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_EquityInvestmentsMember" abstract="true" name="EquityInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_DebtInvestmentsMember" abstract="true" name="DebtInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_DebtInvestmentsInfrastructureMember" abstract="true" name="DebtInvestmentsInfrastructureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_DebtInvestmentsLiquidMember" abstract="true" name="DebtInvestmentsLiquidMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_InvestmentMember" abstract="true" name="InvestmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_DerivativeAssetsAtFairValueMember" abstract="true" name="DerivativeAssetsAtFairValueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_DerivativeLiabilitiesAtFairValueMember" abstract="true" name="DerivativeLiabilitiesAtFairValueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_TotalDerivativesMember" abstract="true" name="TotalDerivativesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_TotalInvestmentsInvestmentsInAffiliatedInvesteeFundsCashAndCashEquivalentsAndDerivativeInstrumentsMember" abstract="true" name="TotalInvestmentsInvestmentsInAffiliatedInvesteeFundsCashAndCashEquivalentsAndDerivativeInstrumentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_MoneyMarketFundsFairValueDisclosure" abstract="false" name="MoneyMarketFundsFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_MoneyMarketFundsPercentOfNetAssets" abstract="false" name="MoneyMarketFundsPercentOfNetAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_DerivativeAssetNetAssetPercentage" abstract="false" name="DerivativeAssetNetAssetPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_DerivativeLiabilityNetAssetPercentage" abstract="false" name="DerivativeLiabilityNetAssetPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_DerivativeFairValueNetAssetPercentage" abstract="false" name="DerivativeFairValueNetAssetPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_InvestmentOwnedMoneyMarketFundsAndDerivativesFairValue" abstract="false" name="InvestmentOwnedMoneyMarketFundsAndDerivativesFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_InvestmentOwnedMoneyMarketFundsAndDerivativesPercentOfNetAssets" abstract="false" name="InvestmentOwnedMoneyMarketFundsAndDerivativesPercentOfNetAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_APACMember" abstract="true" name="APACMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_DigitalMember" abstract="true" name="DigitalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_WaterAndWasteMember" abstract="true" name="WaterAndWasteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_CashCarryingValue" abstract="false" name="CashCarryingValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_DerivativeFairValueCost" abstract="false" name="DerivativeFairValueCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_InvestmentOwnedAtCostMoneyMarketFundsAtCarryingValueAndDerivativesAtCost" abstract="false" name="InvestmentOwnedAtCostMoneyMarketFundsAtCarryingValueAndDerivativesAtCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_AccountingPoliciesTable" abstract="true" name="AccountingPoliciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_AccountingPoliciesLineItems" abstract="true" name="AccountingPoliciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_InvestmentInTheAggregatorTable" abstract="true" name="InvestmentInTheAggregatorTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_InvestmentInTheAggregatorLineItems" abstract="true" name="InvestmentInTheAggregatorLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_InvestmentInTheAggregatorTextBlock" abstract="false" name="InvestmentInTheAggregatorTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_InvestmentInTheAggregatorAbstract" abstract="true" name="InvestmentInTheAggregatorAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_RepurchaseAgreementsTable" abstract="true" name="RepurchaseAgreementsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_RepurchaseAgreementsLineItems" abstract="true" name="RepurchaseAgreementsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_RepurchaseAgreementsTextBlock" abstract="false" name="RepurchaseAgreementsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_NetAssetsLineItems" abstract="true" name="NetAssetsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_CommitmentsAndContingenciesDisclosureTable" abstract="true" name="CommitmentsAndContingenciesDisclosureTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_CommitmentsAndContingenciesDisclosureLineItems" abstract="true" name="CommitmentsAndContingenciesDisclosureLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_WarehousingAgreementAbstract" abstract="true" name="WarehousingAgreementAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_WarehousingAgreementTextBlock" abstract="false" name="WarehousingAgreementTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_DistributionPolicyTextBlock" abstract="false" name="DistributionPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_AffiliatesPolicyTextBlock" abstract="false" name="AffiliatesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_InvestmentsAtFairValueAndInvestmentsInAffiliatedOrUnaffiliatedInvesteeFundsPolicyTextBlock" abstract="false" name="InvestmentsAtFairValueAndInvestmentsInAffiliatedOrUnaffiliatedInvesteeFundsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_DerivativeInstrumentsPolicyTextBlock" abstract="false" name="DerivativeInstrumentsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_PerformanceParticipationAllocationAdministrationFeeAndManagementFeePayablesPolicyTextBlock" abstract="false" name="PerformanceParticipationAllocationAdministrationFeeAndManagementFeePayablesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_NetRealizedAndUnrealizedGainLossOnInvestmentsPolicyTextBlock" abstract="false" name="NetRealizedAndUnrealizedGainLossOnInvestmentsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_IncomeRecognitionPolicyTextBlock" abstract="false" name="IncomeRecognitionPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_OrganizationalAndOfferingExpensesPoliciesPolicyTextBlock" abstract="false" name="OrganizationalAndOfferingExpensesPoliciesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_ManagementFeesOffsetAndWaivedPolicyTextBlock" abstract="false" name="ManagementFeesOffsetAndWaivedPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_ExpenseSupportPolicyTextBlock" abstract="false" name="ExpenseSupportPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_EquityMethodInvestmentSummarizedFinancialInformationTableTextBlock" abstract="false" name="EquityMethodInvestmentSummarizedFinancialInformationTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_DisclosureInTabularFormOfFairValueOfInvestmentsInAffiliatesAndUnfundedCommitmentTableTextBlock" abstract="false" name="DisclosureInTabularFormOfFairValueOfInvestmentsInAffiliatesAndUnfundedCommitmentTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_DisclosureOfRepurchaseAgreementsLineItems" abstract="true" name="DisclosureOfRepurchaseAgreementsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_ScheduleOfRecognizedLiabilitiesForRepurchaseAgreementsTableTextBlock" abstract="false" name="ScheduleOfRecognizedLiabilitiesForRepurchaseAgreementsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxinfra_PercentageOfInterestInAggregator" abstract="false" name="PercentageOfInterestInAggregator" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="bxinfra_PercentageOfHoldingInvestmentOfAggregator" abstract="false" name="PercentageOfHoldingInvestmentOfAggregator" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_PercentageOfListingInvestmentOfAggregator" abstract="false" name="PercentageOfListingInvestmentOfAggregator" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_LineOfCreditFacilityRepaymentOptionAxis" abstract="true" name="LineOfCreditFacilityRepaymentOptionAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_LineOfCreditFacilityRepaymentOptionDomain" abstract="true" name="LineOfCreditFacilityRepaymentOptionDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_LineOfCreditFacilityRepaymentOptionOneMember" abstract="true" name="LineOfCreditFacilityRepaymentOptionOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_LineOfCreditFacilityRepaymentOptionTwoMember" abstract="true" name="LineOfCreditFacilityRepaymentOptionTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_UncommittedLineOfCreditAgreementMember" abstract="true" name="UncommittedLineOfCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_DebtInstrumentExtensionPeriod" abstract="false" name="DebtInstrumentExtensionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="bxinfra_LineOfCreditFacilityRepaymentPeriod" abstract="false" name="LineOfCreditFacilityRepaymentPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="bxinfra_CashHeldAtBanksMember" abstract="true" name="CashHeldAtBanksMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_DebtInvestmentLiquidMember" abstract="true" name="DebtInvestmentLiquidMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_InvestmentsInAffiliatedInvesteeFundsMember" abstract="true" name="InvestmentsInAffiliatedInvesteeFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_MeasurementInputWaccMember" abstract="true" name="MeasurementInputWaccMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_MeasurementInputExitCapitalizationMember" abstract="true" name="MeasurementInputExitCapitalizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_MeasurementInputExitMultipleMember" abstract="true" name="MeasurementInputExitMultipleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_MeasurementInputDiscountToSaleMember" abstract="true" name="MeasurementInputDiscountToSaleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_ValuationTechniqueTransactionPriceMember" abstract="true" name="ValuationTechniqueTransactionPriceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_ValuationTechniqueThirdPartyPricingMember" abstract="true" name="ValuationTechniqueThirdPartyPricingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_ValuationTechniqueYieldAnalysisMember" abstract="true" name="ValuationTechniqueYieldAnalysisMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_ValuationTechniqueOtherMember" abstract="true" name="ValuationTechniqueOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_InfrastructureDebtInvestmentMember" abstract="true" name="InfrastructureDebtInvestmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_LiquidDebtInvestmentMember" abstract="true" name="LiquidDebtInvestmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_AffiliatedInvesteeMember" abstract="true" name="AffiliatedInvesteeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_InvestmentCompanyFinancialSupportToInvesteeContractuallyRequiredNotProvidedFairValueAmount" abstract="false" name="InvestmentCompanyFinancialSupportToInvesteeContractuallyRequiredNotProvidedFairValueAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_ForeignExchangeContractGBPMember" abstract="true" name="ForeignExchangeContractGBPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_ForeignExchangeContractEURMember" abstract="true" name="ForeignExchangeContractEURMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_MeasurementAxis" abstract="true" name="MeasurementAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_MeasurementDomain" abstract="true" name="MeasurementDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_NotionalMember" abstract="true" name="NotionalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_DerivativeAssetsNotionalAmount" abstract="false" name="DerivativeAssetsNotionalAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_DerivativeLiabilitiesNotionalAmount" abstract="false" name="DerivativeLiabilitiesNotionalAmount" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_DerivativeTypeAxis" abstract="true" name="DerivativeTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_DerivativeTypeDomain" abstract="true" name="DerivativeTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_DerivativeRealizedGainMember" abstract="true" name="DerivativeRealizedGainMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_DerivativeUnrealizedGainLossMember" abstract="true" name="DerivativeUnrealizedGainLossMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_ReportedSecuritiesPledgedAsCollateralAtFairvalue" abstract="false" name="ReportedSecuritiesPledgedAsCollateralAtFairvalue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_GrossAndNetAmountOfRecognizedLiabilitiesForRepurchaseAgreements" abstract="false" name="GrossAndNetAmountOfRecognizedLiabilitiesForRepurchaseAgreements" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_AmountsOfEnforceableMasterNettingArrangement" abstract="false" name="AmountsOfEnforceableMasterNettingArrangement" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_BrentwoodCreditFacilityMember" abstract="true" name="BrentwoodCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_JutlandCreditFacilityMember" abstract="true" name="JutlandCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_AggregatorCreditAgreementMember" abstract="true" name="AggregatorCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_UnusedAmountTermAxis" abstract="true" name="UnusedAmountTermAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_UnusedAmountTermDomain" abstract="true" name="UnusedAmountTermDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_FirstUnusedAmountMember" abstract="true" name="FirstUnusedAmountMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_SecondUnusedAmountMember" abstract="true" name="SecondUnusedAmountMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_LineOfCreditFacilityMinimumUtilizationPercentageRangeOne" abstract="false" name="LineOfCreditFacilityMinimumUtilizationPercentageRangeOne" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_LineOfCreditFacilityMinimumUtilizationPercentageRangeTwo" abstract="false" name="LineOfCreditFacilityMinimumUtilizationPercentageRangeTwo" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_LineOfCreditFacilityMinimumUtilizationPercentageRangeThree" abstract="false" name="LineOfCreditFacilityMinimumUtilizationPercentageRangeThree" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_LineOfCreditFacilityAverageUtilizationFeePercentage" abstract="false" name="LineOfCreditFacilityAverageUtilizationFeePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_DebtInstrumentLoanToValueRatioApplicableLimit" abstract="false" name="DebtInstrumentLoanToValueRatioApplicableLimit" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_DebtInstrumentDefaultRateIncreasePercentage" abstract="false" name="DebtInstrumentDefaultRateIncreasePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_ClassITEUnitsMember" abstract="true" name="ClassITEUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_FeederMember" abstract="true" name="FeederMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_NumberOfClassesOfLimitedPartnershipUnits" abstract="false" name="NumberOfClassesOfLimitedPartnershipUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxinfra_PercentageOfRepurchaseOfUnitsOutstanding" abstract="false" name="PercentageOfRepurchaseOfUnitsOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_RedemptionOfferingProgramOutstandingRedemptionRequestsSubjectToEarlyRedemptionReductionPeriod" abstract="false" name="RedemptionOfferingProgramOutstandingRedemptionRequestsSubjectToEarlyRedemptionReductionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="bxinfra_PercentageOfEarlyDeductionUnitsRepurchased" abstract="false" name="PercentageOfEarlyDeductionUnitsRepurchased" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_LimitedPartnersCapitalAccountCashRetainedUnitsIssued" abstract="false" name="LimitedPartnersCapitalAccountCashRetainedUnitsIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="bxinfra_LimitedPartnersCapitalAccountRollForward" abstract="true" name="LimitedPartnersCapitalAccountRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_BXINFRAU.S.Member" abstract="true" name="BXINFRAU.S.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_BXPEUSAggregatorCYMLPMember" abstract="true" name="BXPEUSAggregatorCYMLPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_PerformanceParticipationAllocationReceivedMember" abstract="true" name="PerformanceParticipationAllocationReceivedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_InvestmentManagerMember" abstract="true" name="InvestmentManagerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_AgreementAxis" abstract="true" name="AgreementAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_AgreementDomain" abstract="true" name="AgreementDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_PerformanceParticipationAllocationMember" abstract="true" name="PerformanceParticipationAllocationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_PartnershipAgreementAndInvestmentManagementAgreementMember" abstract="true" name="PartnershipAgreementAndInvestmentManagementAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_NameOfInvestmentGroupAxis" abstract="true" name="NameOfInvestmentGroupAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_NameOfInvestmentGroupDomain" abstract="true" name="NameOfInvestmentGroupDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_BXINFRAWarehouseMember" abstract="true" name="BXINFRAWarehouseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_InvestmentCompanyCommitmentScenarioAxis" abstract="true" name="InvestmentCompanyCommitmentScenarioAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_InvestmentCompanyCommitmentScenarioDomain" abstract="true" name="InvestmentCompanyCommitmentScenarioDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_ExtensionOfCreditMember" abstract="true" name="ExtensionOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_FollowOnExtensionsMember" abstract="true" name="FollowOnExtensionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_PerformanceParticipationAllocationAccrued" abstract="false" name="PerformanceParticipationAllocationAccrued" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_PaymentForPerformanceParticipationAllocation" abstract="false" name="PaymentForPerformanceParticipationAllocation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_GrossManagementFee" abstract="false" name="GrossManagementFee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_AdministrationFeePayable" abstract="false" name="AdministrationFeePayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_PerformanceParticipationAllocationSharesReceived" abstract="false" name="PerformanceParticipationAllocationSharesReceived" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="bxinfra_PercentageOfPerformanceParticipationAllocationOfPartnersToTotalReturn" abstract="false" name="PercentageOfPerformanceParticipationAllocationOfPartnersToTotalReturn" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_PercentageOfAnnualHurdleAmount" abstract="false" name="PercentageOfAnnualHurdleAmount" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_PercentageOfHighWaterMarkCatchUp" abstract="false" name="PercentageOfHighWaterMarkCatchUp" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_PerformanceParticipationAllocationWrittenNoticePeriod" abstract="false" name="PerformanceParticipationAllocationWrittenNoticePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="bxinfra_PercentageOfManagementFeePayable" abstract="false" name="PercentageOfManagementFeePayable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_PercentageOfAdministrationFeePayable" abstract="false" name="PercentageOfAdministrationFeePayable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_AggregatorTransactionalNav" abstract="false" name="AggregatorTransactionalNav" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_AccruedAdministrationFees" abstract="false" name="AccruedAdministrationFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_InvestmentsInAffiliatedInvesteeFunds" abstract="false" name="InvestmentsInAffiliatedInvesteeFunds" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_SpecifiedExpensesAsAPercentageOfNetAssetValueMaximum" abstract="false" name="SpecifiedExpensesAsAPercentageOfNetAssetValueMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_InvestmentCompanyNumberOfNewInvestments" abstract="false" name="InvestmentCompanyNumberOfNewInvestments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxinfra_AccruedWaivedExpenses" abstract="false" name="AccruedWaivedExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_InvestmentCompanyCashReceivedDuringTheCommitment" abstract="false" name="InvestmentCompanyCashReceivedDuringTheCommitment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_AggregatorAcquiredNumberOfLoans" abstract="false" name="AggregatorAcquiredNumberOfLoans" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxinfra_AggregateInvestmentCreditAmountExtended" abstract="false" name="AggregateInvestmentCreditAmountExtended" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_NumberOfCrossTransactions" abstract="false" name="NumberOfCrossTransactions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxinfra_OrganizationalExpensesMember" abstract="true" name="OrganizationalExpensesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_OfferingCostPayableMember" abstract="true" name="OfferingCostPayableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_OrganizationalCostPayableMember" abstract="true" name="OrganizationalCostPayableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_AdvancedExpensesReimbursementAllowedDurationTerm" abstract="false" name="AdvancedExpensesReimbursementAllowedDurationTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="bxinfra_OfferingExpenses" abstract="false" name="OfferingExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_UnfundedInvestmentCommitments" abstract="false" name="UnfundedInvestmentCommitments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_WarehousingAgreementTable" abstract="true" name="WarehousingAgreementTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_WarehousingAgreementMember" abstract="true" name="WarehousingAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_FincoMember" abstract="true" name="FincoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxinfra_WarehousingAgreementLineItems" abstract="true" name="WarehousingAgreementLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxinfra_InvestmentAmountSoldToByAgreement" abstract="false" name="InvestmentAmountSoldToByAgreement" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_InterestRateUntilPaymentForAcquisitionOfInvestment" abstract="false" name="InterestRateUntilPaymentForAcquisitionOfInvestment" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_NumberOfInvestmentsAcquired" abstract="false" name="NumberOfInvestmentsAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxinfra_InvestmentCompanyNumberOfInvestment" abstract="false" name="InvestmentCompanyNumberOfInvestment" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxinfra_InvestmentEquitySecurities" abstract="false" name="InvestmentEquitySecurities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_InvestmentOnRemainingValue" abstract="false" name="InvestmentOnRemainingValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxinfra_InvestmentOperations" abstract="false" name="InvestmentOperations" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="bxinfra_InvestmentCompanyServicingFeesPerShare" abstract="false" name="InvestmentCompanyServicingFeesPerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="bxinfra_InvestmentCompanyExpenseRatio" abstract="false" name="InvestmentCompanyExpenseRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_InvestmentCompanyExpenseRatioExpensesWithoutWaivers" abstract="false" name="InvestmentCompanyExpenseRatioExpensesWithoutWaivers" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxinfra_InvestmentCompanyExpenseRatioExpensesAndManagementFeesWaivers" abstract="false" name="InvestmentCompanyExpenseRatioExpensesAndManagementFeesWaivers" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
</xs:schema>
