Upgrade your BMW E90 E91 E92 M-Sport's rear suspension with these high-quality shock absorbers. They come in a set of two and are gas-charged for better performance. The twin-tube design ensures durability and stability, while the sealed feature keeps the gas pressure steady. These shock absorbers are made of steel and are designed to fit perfectly in the rear left and right side of your vehicle. With 100% accuracy of fit, they guarantee a smooth and comfortable ride. The manufacturer offers a 3-year warranty for your peace of mind. Get your hands on these DREXLER BRANDED shock absorbers and enjoy a better driving experience.