The Bilstein B4 02-08 BMW 745/750 Front Left Twintube Strut Assembly is a high-performance, direct-fit replacement strut assembly for the 2002-2008 BMW 745/750. It is designed to improve vehicle handling and performance while providing a smooth, comfortable ride. The strut assembly features a twin-tube design with a gas-filled, pressurized shock absorber for superior damping and control. It also includes a dust boot, a boot clamp, and a strut mount for easy installation. This strut assembly is constructed from high-quality materials and is backed by a limited lifetime warranty.