Bilstein B4 OE Replacement Series gas pressure shocks and struts are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world-famous Bilstein quality.\nBMW 528e 1988-1982; 533i 1984-1983; 535i 1988-1985; 535is 1988; 633CSi 1984-1983; 635CSi 1989-1985\nBMW 528e 1988-1982, 533i 1984-1983, 535i 1988-1985, 535is 1988, 633CSi 1984-1983, 635CSi 1989-1985