The Bilstein B8 Performance Plus series is a high-performance aftermarket shock absorber designed specifically to be paired with lowering springs. This 36mm Monotube Strut Insert provides improved handling and stability without sacrificing ride quality. Featuring gas-pressure technology and a shortened stroke, it ensures the necessary spring tension for lowered vehicles. This SKU (34-030196) consists of: 1x Front Strut Insert (34-030196), 1x Mounting Nut, 1x Threaded Ring. Performance you can feel, engineered for the BMW 5 Series (E34).