The Bilstein B4 OE Replacement 11-16 BMW 535i xDrive Front Right Twintube Strut Assembly is a high-quality replacement option for the BMW 535i xDrive. This strut assembly is designed to provide superior handling, stability, and control with improved comfort and ride quality. It features a twin-tube gas pressure construction, a self-adjusting deflective disc valving, and a monotube design for increased dampening power. This strut assembly also includes a dust boot, a boot kit, and a bump stop. It is an ideal solution for those looking to restore the factory-like performance of their BMW 535i xDrive.