Bilstein B6 Performance dampers are a performance upgrade to OE dampers designed to be paired with the OE factory spring. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B6 Performance dampers will provide improved safety and handling performance with the added benefit of world-famous Bilstein quality. BMW 318i 1985-1984; 318ti 1999-1995; 325 1988-1986; 325e 1987-1984; 325es 1987-1986; 325i 1991-1987; 325is 1991-1987; 325iX 1991-1988; M3 1991-1988 BMW 318i 1985-1984, 318i 1992-1991, 318is 1991, 318ti 1999-1995, 325 1988-1986, 325e 1987-1984, 325es 1987-1986, 325i 1993-1987, 325is 1991-1987, 325iX 1991-1988, M3 1991-1988