The Koni 1145 Sport Kit is a suspension kit designed specifically for the 2007-2011 BMW E90 335i Sedan and 2007-2013 E92 335i Coupe (excl. AWD). The kit includes two Koni Sport Shocks, two Koni Sport Springs, and two Koni Sport Struts. The shocks and struts are designed to reduce body roll, improve handling, and provide a more comfortable ride. The springs are designed to lower the vehicle, improving the center of gravity for better cornering and overall performance. The kit is easy to install and provides an enhanced driving experience.