The Bilstein B3 OE Replacement coil spring is designed to restore your BMW 3 Series's suspension system to factory specifications. Crafted to match OE dimensions, spring rates, and design types including miniblock and central force, these springs ensure a seamless fit and optimal performance. Manufactured from high-quality chrome vanadium or chrome silicon steel, they provide superior break resistance and durability. These springs are hot-set after forming to prevent height loss over time, maintaining ride height and vehicle handling. Ideal for drivers seeking to restore their vehicle’s original ride quality and safety, the Bilstein B3 springs deliver reliable performance across a range of BMW models from 1999 to 2006, including 325i, 325xi, 328i, 330i, 330xi, and 330Ci models.

Features:

• Designed to match OE dimensions, spring rates, and design types such as miniblock and central force


• Constructed from high-quality chrome vanadium or chrome silicon steel for durability and break resistance


• Hot-set after forming to effectively prevent height loss and maintain ride height


• Restores suspension function and safety to factory specifications for BMW 3 Series from 1999 to 2006