The Bilstein B6 Performance series is the ideal choice for improving the handling and stability of your BMW Z4 M without lowering the ride height. This 36mm Monotube shock absorber is specifically engineered to provide consistent, fade-free performance for the rear suspension. Key features include: superior control for the enthusiast driver, gas-pressure technology for instant response, and a direct bolt-on fitment. This SKU (24-141680) contains 1x Rear Shock Absorber. It is recommended to replace shock absorbers in pairs.