Bilstein B3 OE replacement coil spring for 2004–2007 BMW 525i front is manufactured to match original equipment dimensions, rates and design types. Made from high-quality steel and hot-set to prevent height change, these springs restore suspension function and safety to factory specifications, offering a direct-fit replacement intended to maintain correct ride height and handling as designed by the vehicle maker.
Bilstein 04-07 BMW 525i B3 OE Replacement Coil Spring - Front