content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001559086</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000908255</issuerCik>
        <issuerName>BORGWARNER INC</issuerName>
        <secFileNumber>001-12162</secFileNumber>
        <issuerAddress>
          <com:street1>3850 HAMLIN RD.</com:street1>
          <com:city>AUBURN HILLS</com:city>
          <com:stateOrCountry>MI</com:stateOrCountry>
          <com:zipCode>48326</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>2487549200</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Demmerle Stefan</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch</name>
          <address>
            <com:street1>225 Liberty St</com:street1>
            <com:street2>Floor 37</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10281</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>21500</noOfUnitsSold>
        <aggregateMarketValue>748077.55</aggregateMarketValue>
        <noOfUnitsOutstanding>218699878</noOfUnitsOutstanding>
        <approxSaleDate>11/14/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>02/06/2018</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of restricted stock unit award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>BORGWARNER INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2788</amountOfSecuritiesAcquired>
        <paymentDate>02/06/2018</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>02/09/2018</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of restricted stock unit award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>BORGWARNER INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>135</amountOfSecuritiesAcquired>
        <paymentDate>02/09/2018</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>02/10/2018</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of restricted stock unit award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>BORGWARNER INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1865</amountOfSecuritiesAcquired>
        <paymentDate>02/10/2018</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>04/28/2018</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of restricted stock unit award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>BORGWARNER INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>4031</amountOfSecuritiesAcquired>
        <paymentDate>04/28/2018</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>02/08/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of restricted stock unit award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>BORGWARNER INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>12681</amountOfSecuritiesAcquired>
        <paymentDate>02/08/2023</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>11/14/2024</noticeDate>
        <signature>Stefan Demmerle</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001559086
  XXXXXXXX
  LIVE
  0000908255
  BORGWARNER INC
  001-12162
  3850 HAMLIN RD.
  AUBURN HILLS
  MI
  48326
  2487549200
  Demmerle Stefan
  Officer
  Common Stock
  Merrill Lynch
  225 Liberty St
  Floor 37
  New York
  NY
  10281
  21500
  748077.55
  218699878
  11/14/2024
  NYSE
  Common Stock
  02/06/2018
  Vesting of restricted stock unit award
  BORGWARNER INC
  N
  2788
  02/06/2018
  Granted as part of issuer equity compensation plan
  Common Stock
  02/09/2018
  Vesting of restricted stock unit award
  BORGWARNER INC
  N
  135
  02/09/2018
  Granted as part of issuer equity compensation plan
  Common Stock
  02/10/2018
  Vesting of restricted stock unit award
  BORGWARNER INC
  N
  1865
  02/10/2018
  Granted as part of issuer equity compensation plan
  Common Stock
  04/28/2018
  Vesting of restricted stock unit award
  BORGWARNER INC
  N
  4031
  04/28/2018
  Granted as part of issuer equity compensation plan
  Common Stock
  02/08/2023
  Vesting of restricted stock unit award
  BORGWARNER INC
  N
  12681
  02/08/2023
  Granted as part of issuer equity compensation plan
  Y
  11/14/2024
  Stefan Demmerle