Part #: 51331868829 Supersedes: 51331846563, 5133823635, 51331807965 Manufacturer: BMW (Brose, Bosch) - Munich, Germany Vehicle Compatibility: 1971-1981 E12 5' 518i, 520i, 525i, 528i, 535i 1980-1990 E28 5' 518i, 520i, 524td, 525i, 528i, 535i, 535is M5, M535i Notes: This is the Left Front window lift mechanism w/ drive motor for the E12 and E28 5 Series BMW models Came out of a very clean 11/1986 BMW E28 535i, slides work and smooth, tested working properly Great used condition item, functional! Put this in your 5 Series today! Buyer is responsible for checking part #s and images for compatibility before purchase Wear: All wear is shown in photos