Bilstein B3 13-17 BMW X3 Replacement Rear Coil Spring 1992-nissan-d21-esi9641865 cooling fins machined into the

cooling fins machined into the valve body add even more heat dissipation

The air filter is protected by a custom-molded housing constructed from cross-linked polyethylene (XLPE) for superior heat resistance and long-term durability

This cat-back exhaust system utilizes full 3" tubing with reduction tubes to fit the OE connections

right up to the manufacturer's recommended Gross Vehicle Weight Rating

and a premium bellows coupling allows for ample flexibility

Bilstein B3 13-17 BMW X3 Replacement Rear Coil Spring 1992-nissan-d21-esi9641865 cooling fins machined into theBilstein 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.