Bilstein B3 OE Replacement coil springs are designed to replace your vehicle's original springs. These coil springs are manufactured to meet all the OE dimensions, spring rates, and design types (such as miniblock or central force design). With Bilstein B3 OE Replacement coil springs, you are restoring your vehicle's suspension system function and safety to factory specifications.\nBilstein Spring\nBMW X3 2010-2004