330ci The Eibach Pro-Kit for 4/98-05 BMW 323i/325i/328i/330i / 00-05 BMW 325i Sport Wagon / 5/99-05 BMW 328ci/330ci is a performance suspension system designed to improve the handling and ride of your BMW. The Pro-Kit includes Eibach's Pro-Street-S coil springs, which are designed to lower the vehicle's center of gravity, reducing squat during acceleration, body roll in corners, and excessive nose-dive under braking. In addition, the Pro-Kit also includes Eibach's Pro-Damper shock absorbers which are designed to provide improved control and stability, while also reducing the harshness of the ride. The Pro-Kit is an easy to install, complete suspension solution that will transform your BMW's handling and ride.