B8 Performance Plus dampers are the ideal solution for pairing with a lowering spring for improved handling and sportier look with the added benefit of world-famous Bilstein quality.This Part Fits: Year Make Model Submodel 1985-1986 BMW 524td Base 1982-1988 BMW 528e Base 1983-1984 BMW 533i Base 1985-1988 BMW 535i Base 1988 BMW 535is Base 1983-1984 BMW 633CSi Base 1985-1989 BMW 635CSi Base.