The Bilstein B4 10-15 BMW X3 xDrive w/Sport Suspension w/o EDC Front Left Twintube Strut Assembly is a high-performance suspension upgrade for the BMW X3 xDrive. This strut assembly features a twin-tube design that provides excellent damping performance and improved handling characteristics. The strut assembly is designed to work with the BMW X3 xDrive's sport suspension, but without the Electronic Damping Control. This strut assembly is ideal for those looking to upgrade the suspension of their BMW X3 xDrive to improve handling and performance.