Bilstein B4 06-13 BMW 3 Series Base 3.0L Front Right Twintube Strut Assembly Interior Accessories>Shift Knobs With a limited lifetime warranty

With a limited lifetime warranty

Simply add air when towing or hauling and deflate when riding empty

combined with precision fitment

View the 21-821DS vehicle applications to determine the legal status for each vehicle

The Quantum Intake System includes silicone bellows couplings to absorb excessive engine movement and provide flexibility for a secure and easy install

Bilstein B4 06-13 BMW 3 Series Base 3.0L Front Right Twintube Strut Assembly Interior Accessories>Shift Knobs With a limited lifetime warrantyBilstein B4 OE Replacement dampers are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world famous Bilstein quality.