Part #: 51331921506 Supersedes: 5133186198 51331839312 Vehicle Compatibility: 1975-1989 E24 628CSi, 630CS, 633CSi, 635CSi E24 M6, M635CSi Notes: This is a tested, working Front Right (Passenger) window regulator Came off a 1985 BMW 635CSi w/ 66k miles All slides move freely, tested in great working order Minimal surface rust, but unit is solid and strong Ready to go into your E24 right away! Buyer is responsible for checking part #s and images for compatibility before purchase Please ask any questions you may have, I am more than happy to assist in any way I can Wear: All wear is shown in photos