Genuine OEM Audi Rear Coil Spring, part number 8E0511115CT. This robust coil spring is a fundamental component of the vehicle's suspension system, designed to support the vehicle's weight and absorb impacts from road irregularities. It is specifically positioned in the rear suspension assembly. The spring features a durable black finish and weighs 2.928 kg, with dimensions of 0.27m length, 0.15m width, and 0.15m height. Opting for a genuine OEM coil spring ensures it meets the precise spring rates, material specifications, and fatigue resistance required for optimal ride quality, handling, and long-term durability, maintaining factory-specified ride height and performance.