This part is listed by BMW as BMW part number 61311357904 (61-31-1-357-904) and is described as Genuine BMW Wiper-wash-interval Control for E21, E12, E24, E23.
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
5 Series
E12 (77-81) > 528i
E12 (77-81) > 530i
6 Series
E24 (77-89) > 630CSi
E24 (77-89) > 633CSi
7 Series
E23 (77-87) > 733i
E23 (77-87) > 735i