Bilstein B4 2014-2015 BMW 428i/435i Rear Twintube Shock Absorber Exterior Styling>Other Body Components to ensure increased air velocity

to ensure increased air velocity into your air intake system

Not For Use w/Single Bulb Type

Its XLPE (cross-linked polyethylene) material is heat soak resistant and extremely durable

or partially obstructing passageways depending on throttle position for maximum performance

fuel-efficient engine

Bilstein B4 2014-2015 BMW 428i/435i Rear Twintube Shock Absorber Exterior Styling>Other Body Components to ensure increased air velocityBilstein 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.