The Koni Special Active Shock 97-03 BMW 5 Series E39 6 Cylinder Front is a performance shock absorber designed to provide superior handling and stability for BMW E39 6 cylinder models. It features a unique adjustable damping system that allows the driver to customize the ride to their own preferences. The shock absorber is constructed from high-quality materials for long-term durability and is designed for easy installation. The Koni Special Active Shock 97-03 BMW 5 Series E39 6 Cylinder Front is the perfect choice for those looking to upgrade their suspension and improve their driving experience.