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<!-- Generated by DFIN XBRL Schema Document - http://www.dfinsolutions.com/ - on 02-04-2026 01:56:13 PM -->
<!-- Copyright(c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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			</link:presentationLink>
			<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/InvestmentRisks">
				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationDocumentAxis" xlink:label="DocumentInformationDocumentAxis"/>
				
				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
				<link:loc xlink:type="locator" xlink:href="#bift_S000000583Member" xlink:label="S000000583Member"/>
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				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_CoregistrantAxis" xlink:label="CoregistrantAxis"/>
				
			</link:presentationLink>
			<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/InvestmentStrategy">
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				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
				<link:loc xlink:type="locator" xlink:href="#bift_S000000583Member" xlink:label="S000000583Member"/>
				<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000000583Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
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			</link:presentationLink>
			<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/FeesAndExpenses">
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				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
				<link:loc xlink:type="locator" xlink:href="#bift_S000000583Member" xlink:label="S000000583Member"/>
				<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000000583Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_CoregistrantAxis" xlink:label="CoregistrantAxis"/>
				
			</link:presentationLink>
			<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/N1aCover">
			    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationDocumentAxis" xlink:label="DocumentInformationDocumentAxis"/>
								
			</link:presentationLink>
			 <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/N1aSupplement">
			    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationDocumentAxis" xlink:label="DocumentInformationDocumentAxis"/>
							
				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
				<link:loc xlink:type="locator" xlink:href="#bift_S000000583Member" xlink:label="S000000583Member"/>
				<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000000583Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ClassAxis" xlink:label="ClassAxis"/>
				<link:loc xlink:type="locator" xlink:href="#bift_C000001636Member" xlink:label="C000001636Member"/>
				<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ClassAxis" xlink:to="C000001636Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
				<link:loc xlink:type="locator" xlink:href="#bift_C000077819Member" xlink:label="C000077819Member"/>
				<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ClassAxis" xlink:to="C000077819Member" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
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				<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ClassAxis" xlink:to="C000165211Member" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_CoregistrantAxis" xlink:label="CoregistrantAxis"/>
				
			</link:presentationLink>
            
            <!--PresentationLink Dynamic End-->
            <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/ProspectusOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ProspectusOnly"/>
            <link:roleRef roleURI="http://xbrl.sec.gov/oef/role/SeriesOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#SeriesOnly"/>
            <link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ClassOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ClassOnly"/>
            <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/PerformanceMeasureOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#PerformanceMeasureOnly"/>
            <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/RiskOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#RiskOnly"/>
			<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/CoregistrantOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#CoregistrantOnly"/>
            <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
            <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
            <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
            <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
            <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/notAll" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#notAll"/>
            <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
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				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain" xlink:label="EntityDomain"/>
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				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="EntityDomain" xlink:to="S000000583Member" order="1.0"/>
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				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/>  
				<link:loc xlink:type="locator" xlink:href="#bift_C000001636Member" xlink:label="C000001636Member"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000001636Member" order="1.0"/>
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			</link:definitionLink>
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				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AllRisksMember" xlink:label="AllRisksMember"/>
				
			</link:definitionLink>
			<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/ProspectusOnly">
				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentDomain" xlink:label="DocumentDomain"/>
				
			</link:definitionLink>
			<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/CoregistrantOnly">           
                <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AllCoregistrantsMember" xlink:label="AllCoregistrantsMember"/>
                 
            </link:definitionLink>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel"/>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel"/>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel"/>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel"/>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
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				<link:loc xlink:type="locator" xlink:href="#bift_S000000583Member" xlink:label="S000000583Member"/>
				<link:label xlink:type="resource" xlink:label="label_S000000583Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">BARON GROWTH FUND</link:label>
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				<link:label xlink:type="resource" xlink:label="label_C000077819Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Institutional Shares</link:label>
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				<link:label xlink:type="resource" xlink:label="label_C000165211Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">R6 Shares</link:label>
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				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000165211Member" xlink:to="label_C000165211Member_2"/>

            </link:labelLink>
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	<xs:element name="S000000583Member" id="bift_S000000583Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000001636Member" id="bift_C000001636Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000077819Member" id="bift_C000077819Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000165211Member" id="bift_C000165211Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>

</xs:schema>
