The H&R 96-03 BMW 528i Sport/530i Sport E39 Sport Spring (Non Touring) is a suspension upgrade designed to improve the handling, stability, and cornering performance of the BMW 528i and 530i E39 Sport (Non Touring) models. This upgrade includes a set of sport springs which lower the car's center of gravity and reduce body roll and dive under hard cornering and braking. The springs also improve the vehicle's overall ride comfort and stability. The springs are made from high-quality materials and are designed to last for many miles.