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 3.0CS 1974; 3.0CSi 1974; 3.0S 1974-1971; 3.0Si 1971; 3.0Si 1976-1975; 530i 1976-1975; 2500 1971-1968; 2800 1974-1968; 2800CS 1971-1968; Bavaria 1974-1972 BMW 3.0CS 1974, 3.0CSi 1974, 3.0S 1974-1971, 3.0Si 1971, 3.0Si 1976-1975, 530i 1976-1975, 2500 1971-1968, 2800 1974-1968, 2800CS 1971-1968, Bavaria 1974-1972