Bilstein B4 rear twintube strut assembly for 2014–2015 BMW 228i (base with sport suspension, without EDC) is an OE-replacement damper built to restore factory ride quality and handling. The B4 unit follows Bilstein's OE standards to meet original comfort and safety expectations, providing a like-for-like replacement for vehicles equipped as specified without electronic damping control.
Bilstein B4 14-15 BMW 228i Base w/ Sport Suspension w/o EDC Rear Twintube Strut Assembly