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 WILLIAM E. BUTLER 200 S. Michigan Ave. Chicago, IL 60604 2. Issuer Name and Ticker or Trading Symbol BorgWarner Inc. (BWA) 3. IRS Identification Number of Reporting Person, if an Entity (Voluntary) - 4. Statement For Month/Year JANUARY 21, 2003 5. If Amendment, Date of Original (Month/Year) 6. Relationship of Reporting Person to Issuer (Check all applicable) (X) Director ( ) Officer (give title below) ( ) 10% Owner ( ) Other 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 ------------------------------------------------------------------------------- | | | | | | ----------------------------------------------------------------------------- 5. Amount of Securities |6. Ownership Form | 7.Nature of Indirect Beneficially Owned at| Direct (D) or | Beneficial Ownership End of Month | Indirect (I) | ------------------------------------------------------------------------------- | | ------------------------------------------------------------------------------- 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) ------------------------------------------------------------------------------- | | | | | | Director Stock | | | | | | Option Right to | | | | | | Buy | $53.00 | 1/21/03 | A | |1000 | Director Stock | | | | | | Option Right to | | | | | | Buy | $53.00 | 1/21/03 | A | |1000 | ------------------------------------------------------------------------------- 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 | ------------------------------------------------------------------------------- | | | | | | 1/21/05 |1/20/13 |Common Stock|1000 | | | D 1/21/06 |1/20/13 |Common Stock 1000 | | | D ------------------------------------------------------------------------------- 11. Nature of Indirect Beneficial Ownership ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- Signature of Reporting Person /s/ Laurene H. Horiszny as attorney-in-fact for WILLIAM E. BUTLER Date: January 22, 2003