The rear shock absorbers for BMW 1, 2, 3, and 4 Series F20 F21 2011 are high-quality Monroe shocks with a warranty period of 5 years. These twin-tube gas pressure shocks are made of steel, ensuring durability and reliability. The shocks come in a set of two, suitable for placement on the rear left and right sides of the vehicle. With 100% accuracy of fit and gas-charged technology, these Monroe shocks provide a comfortable and smooth ride for your car. Made in Poland, they meet the OE/OEM standards and offer a manufacturer warranty of 5 years.