The Bilstein B8 2007 BMW X5 3.0si Rear Right 46mm Monotube Shock Absorber is a high-performance suspension component designed to improve ride quality and handling. It features a 46mm monotube design that provides maximum damping capacity and performance, while its gas-pressure technology ensures a consistent and comfortable ride. It is designed to provide superior control and stability, allowing for a more responsive and enjoyable driving experience.