The H&R 99-05 BMW 323Ci/323i/325Ci/325i/328Ci/328i/330Ci/330i E46 Sport Spring (w/Sport Susp.) is a performance suspension upgrade for BMW 3-series vehicles from 1999-2005. This suspension system is designed to improve handling and reduce body roll, while still providing a comfortable ride. The springs are made from high-tensile chromium-silicone steel and are designed to lower the car by 1.25 in the front and 1.2 in the rear. The sport suspension also includes a set of sport shocks and struts for improved handling and stability. This system is perfect for drivers who want to add a sporty look and feel to their BMW 3-series without sacrificing comfort.