The Bilstein 01-06 BMW 325Ci B3 OE Replacement Coil Spring - Front is a direct replacement for the original equipment coil spring on the BMW 325Ci. This coil spring is designed to provide a smooth and comfortable ride, as well as improved handling and stability. The spring is constructed from high-quality steel for durability and longevity, and is designed to meet or exceed OE specifications. The spring also features a corrosion-resistant coating to help prevent rust and corrosion. This coil spring is an ideal replacement for worn or damaged original equipment springs and is an easy and cost-effective way to restore your vehicle's performance.