The Koni Sport (Yellow) Shock 99-06 BMW 3 Series - E46 M3 - Left Front is a high-performance, adjustable shock absorber that is designed to provide superior ride quality and handling characteristics for the BMW 3 Series - E46 M3. It features a two-way adjustable damping system that allows you to adjust the rebound and compression damping separately, allowing you to fine-tune the suspension for performance driving. The shock is constructed from heavy-duty steel and is finished in a bright yellow powder coat for increased durability and corrosion resistance. It is designed to provide improved handling, increased stability, and improved braking performance.