This part is listed by BMW as BMW part number 12317677914 (12-31-7-677-914) and is described as Idler Nut for Drive Belt (Alternator / PS / AC).
Supersedes BMW part # 12311273639 (12-31-1-273-639).
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
BMW Fitments:
3 Series
E21 (75-83) > 320i
E21 (75-83) > 323i
3 Series
E30 (84-91) > 318i
E30 (84-91) > 318is
E30 (84-91) > 325e
E30 (84-91) > 325es
E30 (84-91) > 325i
E30 (84-91) > 325is
E30 (84-91) > 325ix
E30 (84-91) > M3
3 Series
E36 (92-99) > 318i M42
E36 (92-99) > 318ic M42
E36 (92-99) > 318is M42
3 Series
E36/5 (95-99) > 318ti M42
5 Series
E28 (82-88) > 524td
E28 (82-88) > 528e
E28 (82-88) > 533i
E28 (82-88) > 535i
E28 (82-88) > M5 (87-88)
5 Series
E34 (89-95) > 525i M20
E34 (89-95) > 535i
E34 (89-95) > M5 (91-95)
6 Series
E24 (77-89) > 633CSi
E24 (77-89) > 635CSi
E24 (77-89) > M6
7 Series
E23 (77-87) > 733i
E23 (77-87) > 735i
7 Series
E32 (88-94) > 735i
E32 (88-94) > 735iL
