Genuine OEM Audi Rear Coil Spring, part number 8P0511115BG. This critical suspension component is designed to support the vehicle's weight and effectively absorb road shocks and vibrations, contributing to a smooth and stable ride. It is installed in the rear suspension assembly. The coil spring weighs 2.351 kg and measures approximately 0.295 m in length. Choosing a genuine OEM coil spring ensures factory-specified spring rates, material quality, and fatigue resistance for optimal handling and a long service life.