The Koni Special Active Shock 99-05 BMW 3 Series E46 RWD Left Front is a high-performance shock absorber designed to provide superior handling, stability, and ride comfort for the BMW 3 Series E46 RWD. It features Koni's patented Special Active technology, which allows the shock to adjust its damping force depending on the road surface and driving conditions. It is constructed from high-quality materials to ensure long-lasting performance and durability. The Koni Special Active Shock is the perfect upgrade for any BMW 3 Series E46 RWD owner looking for improved handling and ride comfort.