The FRONT SHOCK ABSORBERS SHOCKS for BMW 1 Series F20 F21 are a pair of gas-charged shocks made of steel, designed for the front left and right sides of the vehicle. These DREXLER shocks come with a 3-year warranty and feature a TWIN TUBE GAS PRESSURE shock absorber system. They are 100% accurate in fit and are sealed to ensure optimal performance. The set includes the necessary struts and has various part numbers for compatibility with BMW models.