The Bilstein B4 Series 19-241838 is a premium gas-pressure shock absorber designed to restore your vehicle's original handling and stability. As a Twintube shock absorber, it provides constant damping power under any load, ensuring maximum safety and comfort. This part is engineered to meet or exceed OEM standards, offering a perfect fit for Mini Cooper models. Package contents: - 1x Rear Shock Absorber (Part No: 19-241838) Key features include high power reserves for maximum safety, constant damping for consistent performance, and original BILSTEIN gas pressure technology. Recommended for replacing worn factory shocks to regain 'new car' driving dynamics. Please note that for balanced handling, it is recommended to replace shock absorbers in pairs.