4 1 jlo0203.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ------------------------------------------------------------------------------ FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP / / Check box if no longer subject of Section 16. Form 4 or Form 5 obligations may continue. See instruction 1(b). Filed pursuant to Section 16(a) of the Securities Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 1. Name and Address of Reporting Person JEFFREY OBERMAYER 200 S. Michigan Ave. Chicago, IL 60604 2. BorgWarner Inc. (BWA) 3. IRS Identification Number of Reporting Person, if an Entity (Voluntary) - 4. Statement For Month/Year FEBRUARY 5, 2003 5. If Amendment, Date of Original (Month/Year) 6. Relationship of Reporting Person to Issuer (Check all applicable) ( ) Director (x) Officer (give title below) ( ) 10% Owner ( ) Other Vice President & Treasurer 7. Individual or Joint/Group Filing (Check applicable line) /x/ Form Filed by One Reporting Person --- Form Filed by More Than One Reporting Person

------------------------------------------------------------------------------- Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned ------------------------------------------------------------------------------- 1.Title of Security|2.Transaction Date |3. Transac- |4.Securities Acquired | (Month/Day/Year) | tion Code | (A) or Disposed of(D) | | Code | V | Amount |(A)or(D)|Price ------------------------------------------------------------------------------- | | | | | | Common Stock | 2/5/~~28/02~~03 | ~~M | | 650 |~~ A |~~$50.9063~~ ~~Common Stock~~ | ~~5/28/02~~2202 | S | ~~| 650 | D |~~$~~67.25 Common Stock | 5/28/02 | M | | 650 | A |$~~50.~~9063~~10 ~~Common~~- ~~Stock~~ | ~~5/28/02~~- | S- | | ~~650~~- | D |~~$67.25~~ ~~Common~~- Stock | 5/28/02 | M | | 625 | A |$53.875 Common Stock | 5/28/02 | S | | 625 | D |$67.25 Common Stock | 5/24/02 | S | | 1000 | D |$67.90 Common Stock | 5/15/02 | S | | 5000 | D |$64.3465 Common Stock | 5/24/02 | S | | 1800 | D |$67.8464 ------------------------------------------------------------------------------ 5. Amount of Securities |6. Ownership Form | 7.Nature of Indirect Beneficially Owned at| Direct (D) or | Beneficial Ownership End of Month | Indirect (I) | ------------------------------------------------------------------------------- | | 02202 | D | 119.566 | I | By 401k Plan ------------------------------------------------------------------------------- Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g. Puts, Calls, Warrants, Options, Convertible Securities) ------------------------------------------------------------------------------- 1.Title of Deriv-|2.Conversion |3.Transaction |4.Trans- |5.Number of ative Security | or Exercise| Date(month | action | Derivative | Price of | \day\year) | Code | Securities Ac- | Derivative | | | quired(A)or | Security | | | Disposed of(D) | | |Code| V | (A) | (D) ------------------------------------------------------------------------------- | | | | | | Employee Stock | | | | | | Option Right to | | | | | | Buy | $50.9063 | 5/28/02 | M | | | 650 Employee Stock | | | | | | Option Right to | | | | | | Buy | $50.9063 | 5/28/02 | M | | | 650 Employee Stock | | | | | | Option Right to | | | | | | Buy | $53.875 | 5/28/02 | M | | | 625 ------------------------------------------------------------------------------- 6.Date Exercisable |7.Title and |8.Price of |9.Number of |10.Ownership and Expiration | Amount of | Derivative| Derivative |Form of Deriv- Date(month/day/year) | Underlying | Security | Securities |ative Security Date Exer-|Expiration| Securities | | Beneficially|Direct (D) or cisable | Date | Title|Amt.or| | Owned At End|Indirect (I) | | |#of shrs| | Of Month | ------------------------------------------------------------------------------- | | | | | | ~~7/21/00~~ |~~7/21/08~~ |~~Common~~ ~~Stock~~|~~650~~ | | | ~~D 7/21/01 |7/21/08 |Common Stock|650 | | | D 7/20/01 |7/20/09 |Common Stock|625 | | 625 | D~~ ------------------------------------------------------------------------------- 11. Nature of Indirect Beneficial Ownership ------------------------------------------------------------------------------- -------------------------------------------------------------------------------

Signature of Reporting Person /s/ Laurene H. Horiszny as attorney-in-fact for JEFFREY OBERMAYER Date: February 5, 2003

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