The Koni STR.T (Orange) Shock 99-05 BMW 3 Series is a performance shock absorber designed to provide improved handling, stability, and comfort for all BMW 3 Series models excluding all wheel drive (AWD) and M3 models. The shock features a progressive rate design, which allows for a softer ride when driving over small bumps and irregularities, while still providing improved handling and stability for a more responsive driving experience. The shock is finished in an eye-catching orange powder-coat finish for added style.