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| <element id="bctciv_ScheduleOfManagementFeesPaidTableTextBlock" name="ScheduleOfManagementFeesPaidTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/> |
| <element id="bctciv_ScheduleOfGrossManagementFeeTableTextBlock" name="ScheduleOfGrossManagementFeeTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/> |
| <element id="bctciv_ScheduleOfNumberOfOperatingPartnershipsTableTextBlock" name="ScheduleOfNumberOfOperatingPartnershipsTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/> |
| <element id="bctciv_ScheduleOfDispositionsBySeriesTableTextBlock" name="ScheduleOfDispositionsBySeriesTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/> |
| <element id="bctciv_ScheduleOfContributionsPayableTableTextBlock" name="ScheduleOfContributionsPayableTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/> |
| <element id="bctciv_ScheduleOfSummarizedStatementOfOperationsInOperatingPartnershipsTableTextBlock" name="ScheduleOfSummarizedStatementOfOperationsInOperatingPartnershipsTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/> |
| <element name="ClosingDateOfUnitsIssuedAndEquityRaised" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_ClosingDateOfUnitsIssuedAndEquityRaised" substitutionGroup="xbrli:item"/> |
| <element name="LimitedPartnersCapitalAccountPerUnits" type="xbrli:decimalItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="bctciv_LimitedPartnersCapitalAccountPerUnits" substitutionGroup="xbrli:item"/> |
| <element name="LimitedPartnersCapitalAccountAdditionalUnitsRegisteredForSale" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_LimitedPartnersCapitalAccountAdditionalUnitsRegisteredForSale" substitutionGroup="xbrli:item"/> |
| <element name="LimitedPartnersCapitalAccountUnitsAuthorizedForSale" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="bctciv_LimitedPartnersCapitalAccountUnitsAuthorizedForSale" substitutionGroup="xbrli:item"/> |
| <element name="GrossManagementFee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_GrossManagementFee" substitutionGroup="xbrli:item" xbrli:balance="debit"/> |
| <element name="PercentageOfAnnualManagementFee" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_PercentageOfAnnualManagementFee" substitutionGroup="xbrli:item"/> |
| <element name="ScheduleOfNumberOfOperatingPartnershipsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="bctciv_ScheduleOfNumberOfOperatingPartnershipsTable" substitutionGroup="xbrldt:hypercubeItem"/> |
| <element name="NumberOfOperatingPartnershipsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="bctciv_NumberOfOperatingPartnershipsLineItems" substitutionGroup="xbrli:item"/> |
| <element id="bctciv_NumberOfOperatingPartnerships" name="NumberOfOperatingPartnerships" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/> |
| <element name="ScheduleOfContributionsPayableTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="bctciv_ScheduleOfContributionsPayableTable" substitutionGroup="xbrldt:hypercubeItem"/> |
| <element name="ContributionsPayableLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="bctciv_ContributionsPayableLineItems" substitutionGroup="xbrli:item"/> |
| <element name="ScheduleOfDispositionsBySeriesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="bctciv_ScheduleOfDispositionsBySeriesTable" substitutionGroup="xbrldt:hypercubeItem"/> |
| <element name="DispositionsBySeriesDisclosureLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="bctciv_DispositionsBySeriesDisclosureLineItems" substitutionGroup="xbrli:item"/> |
| <element name="OperatingPartnershipInterestTransferred" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_OperatingPartnershipInterestTransferred" substitutionGroup="xbrli:item"/> |
| <element name="SaleOfUnderlyingOperatingPartnership" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_SaleOfUnderlyingOperatingPartnership" substitutionGroup="xbrli:item"/> |
| <element name="ScheduleOfSummarizedStatementOfOperationsInOperatingPartnershipsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="bctciv_ScheduleOfSummarizedStatementOfOperationsInOperatingPartnershipsTable" substitutionGroup="xbrldt:hypercubeItem"/> |
| <element name="SummarizedStatementOfOperationsInOperatingPartnershipsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="bctciv_SummarizedStatementOfOperationsInOperatingPartnershipsLineItems" substitutionGroup="xbrli:item"/> |
| <element name="OperatingPartnershipsRentalIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_OperatingPartnershipsRentalIncome" substitutionGroup="xbrli:item" xbrli:balance="credit"/> |
| <element name="OperatingPartnershipsInterestAndOtherIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_OperatingPartnershipsInterestAndOtherIncome" substitutionGroup="xbrli:item" xbrli:balance="credit"/> |
| <element name="OperatingPartnershipsRevenues" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_OperatingPartnershipsRevenues" substitutionGroup="xbrli:item" xbrli:balance="credit"/> |
| <element name="ExpensesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="bctciv_ExpensesAbstract" substitutionGroup="xbrli:item"/> |
| <element name="OperatingPartnershipsInterestExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_OperatingPartnershipsInterestExpenses" substitutionGroup="xbrli:item" xbrli:balance="debit"/> |
| <element name="OperatingPartnershipsDepreciationAndAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_OperatingPartnershipsDepreciationAndAmortization" substitutionGroup="xbrli:item" xbrli:balance="debit"/> |
| <element name="OperatingPartnershipsOperatingExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_OperatingPartnershipsOperatingExpenses" substitutionGroup="xbrli:item" xbrli:balance="debit"/> |
| <element name="OperatingPartnershipsTotalExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_OperatingPartnershipsTotalExpenses" substitutionGroup="xbrli:item" xbrli:balance="debit"/> |
| <element name="OperatingPartnershipsNetIncomeLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_OperatingPartnershipsNetIncomeLoss" substitutionGroup="xbrli:item" xbrli:balance="credit"/> |
| <element name="OperatingPartnershipsNetIncomeLossAllocatedToParent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_OperatingPartnershipsNetIncomeLossAllocatedToParent" substitutionGroup="xbrli:item" xbrli:balance="credit"/> |
| <element name="OperatingPartnershipsNetIncomeLossAllocatedToOtherPartners" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_OperatingPartnershipsNetIncomeLossAllocatedToOtherPartners" substitutionGroup="xbrli:item" xbrli:balance="credit"/> |
| <element name="InvestmentsInOperatingLimitedPartnershipsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="bctciv_InvestmentsInOperatingLimitedPartnershipsTable" substitutionGroup="xbrldt:hypercubeItem"/> |
| <element name="InvestmentsInOperatingLimitedPartnershipsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="bctciv_InvestmentsInOperatingLimitedPartnershipsLineItems" substitutionGroup="xbrli:item"/> |
| <element name="WriteOffOfCapitalContributionPayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="bctciv_WriteOffOfCapitalContributionPayable" substitutionGroup="xbrli:item" xbrli:balance="debit"/> |
| <element id="bctciv_ReceivableFromSaleOfEquityInvestment" name="ReceivableFromSaleOfEquityInvestment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/> |
| </schema> |