<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by DFIN XBRL Schema Document - http://www.dfinsolutions.com/ - on 25-06-2026 09:25:20 PM -->
<!-- Copyright(c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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				<link:label xlink:type="resource" xlink:label="label_C000030760Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Class A</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000030760Member" xlink:to="label_C000030760Member"/>
				<link:label xlink:type="resource" xlink:label="label_C000030760Member_2" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000030760 [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000030760Member" xlink:to="label_C000030760Member_2"/>
				<link:loc xlink:type="locator" xlink:href="#bfti_C000030551Member" xlink:label="C000030551Member"/>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000030551Member" xlink:to="label_C000030760Member"/>
				<link:label xlink:type="resource" xlink:label="label_C000030551Member_2" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000030551 [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000030551Member" xlink:to="label_C000030551Member_2"/>
				<link:loc xlink:type="locator" xlink:href="#bfti_C000030552Member" xlink:label="C000030552Member"/>
				<link:label xlink:type="resource" xlink:label="label_C000030552Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Class B</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000030552Member" xlink:to="label_C000030552Member"/>
				<link:label xlink:type="resource" xlink:label="label_C000030552Member_2" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000030552 [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000030552Member" xlink:to="label_C000030552Member_2"/>
				<link:loc xlink:type="locator" xlink:href="#bfti_C000030761Member" xlink:label="C000030761Member"/>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000030761Member" xlink:to="label_C000030552Member"/>
				<link:label xlink:type="resource" xlink:label="label_C000030761Member_2" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000030761 [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000030761Member" xlink:to="label_C000030761Member_2"/>
				<link:loc xlink:type="locator" xlink:href="#bfti_C000030762Member" xlink:label="C000030762Member"/>
				<link:label xlink:type="resource" xlink:label="label_C000030762Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Class C</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000030762Member" xlink:to="label_C000030762Member"/>
				<link:label xlink:type="resource" xlink:label="label_C000030762Member_2" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000030762 [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000030762Member" xlink:to="label_C000030762Member_2"/>
				<link:loc xlink:type="locator" xlink:href="#bfti_C000030553Member" xlink:label="C000030553Member"/>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000030553Member" xlink:to="label_C000030762Member"/>
				<link:label xlink:type="resource" xlink:label="label_C000030553Member_2" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000030553 [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000030553Member" xlink:to="label_C000030553Member_2"/>

            </link:labelLink>
         </link:linkbase>
      </xs:appinfo>
  </xs:annotation>
	<xs:element name="S000011125Member" id="bfti_S000011125Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="S000011083Member" id="bfti_S000011083Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000030554Member" id="bfti_C000030554Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000030763Member" id="bfti_C000030763Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000030550Member" id="bfti_C000030550Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000030759Member" id="bfti_C000030759Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000030760Member" id="bfti_C000030760Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000030551Member" id="bfti_C000030551Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000030552Member" id="bfti_C000030552Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000030761Member" id="bfti_C000030761Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000030762Member" id="bfti_C000030762Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000030553Member" id="bfti_C000030553Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>

</xs:schema>
