Bilstein B6 Performance - Suspension Strut Assembly - 35-109631

36mm Monotube Strut Assembly Fits: BMW 525i 2007-2004, 528i 2010-2008, 530i 2007-2004, 535i 2010-2008, 545i 2005-2004, 550i 2010-2006 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. Bilstein gas-pressure technology Optimum grip and enhanced lane stability in day to day and extreme situations Improved safety and performance without the requirement of new springs (use of series spring possible)