Genuine OEM Audi Rear Coil Spring, part number 5Q0511121EG. This essential suspension component supports the vehicle's weight and absorbs road shocks, maintaining proper ride height and handling. It is located in the rear suspension assembly. Weighing approximately 1.85 kg, this spring is engineered to factory specifications. Choosing a genuine OEM coil spring ensures correct spring rate, precise fitment, and long-term durability for optimal suspension performance.