The Bilstein 96-99 BMW 328i B3 OE Replacement Coil Spring - Front is a direct replacement for the original equipment coil spring on the 96-99 BMW 328i. This coil spring is designed to provide improved ride comfort, handling, and stability. It features a progressive spring rate that is designed to provide a smooth transition from soft to firm, allowing for a comfortable ride. The spring is constructed from high-grade steel for superior durability and is corrosion-resistant for long-lasting performance.