The Koni 1145 Sport Kit 04-10 BMW 5 Series (E60) V8 Sedan is a suspension system designed to improve the overall performance of the BMW 5 Series (E60) V8 Sedan. This kit includes four Koni Sport adjustable shocks, two front and two rear, as well as four Koni Sport lowering springs. The adjustable shocks allow for fine tuning of the suspension for a variety of driving conditions and provide improved handling and stability. The lowering springs provide a lower center of gravity for improved cornering and better overall handling. This kit is designed to provide a more comfortable ride while also improving the performance of the vehicle.