Genuine OEM Audi Rear Coil Spring, part number 8W0511115EQ. This vital suspension component is engineered to absorb road shocks and support the vehicle's weight, providing a comfortable ride and stable handling. It is installed in the rear suspension assembly. Weighing approximately 3.501 kg, this coil spring is manufactured to precise specifications for optimal performance. Choosing a genuine OEM coil spring ensures the correct spring rate, material fatigue resistance, and dimensions for maintaining factory ride height and handling characteristics.