The Bilstein B4 OE replacement damper is a twin-tube front-left strut assembly for 2001–2006 BMW M3 applications, engineered to restore original ride quality and handling. Built to OE-equivalent standards, it returns factory comfort and safety while offering Bilstein's precise construction and high power reserves for reliable control in daily use and when restoring vehicle dynamics.
Bilstein B4 01-06 BMW M3 Front Left Twintube Shock Absorber