Genuine OEM Audi Rear Coil Spring, part number 4M0511115EF. This essential suspension component supports the vehicle's weight and absorbs impacts from road irregularities, contributing to ride comfort and stable handling. It is positioned at the rear of the vehicle. Weighing 3.501 kg, it is constructed from robust spring steel. Opting for a genuine OEM coil spring ensures the correct spring rate, precise dimensions, and long-term resistance to fatigue for consistent suspension performance.