The Ohlins 08-13 BMW M3 (E9X) TTX-PRO Coilover System is an adjustable suspension system designed for the BMW M3. It features Ohlins' patented Twin Tube technology, which provides superior damping control and improved handling. The system includes adjustable rebound and compression damping, adjustable ride height, and adjustable spring pre-load. The system also features a lightweight aluminum construction for improved performance and durability. The Ohlins 08-13 BMW M3 (E9X) TTX-PRO Coilover System is designed to provide the ultimate in performance and handling for the BMW M3.