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Bilstein B4 OE replacement rear twintube strut assembly for 2015–2017 BMW M3 and M4 models. B4 dampers are engineered to maintain original ride quality while meeting or exceeding OE standards, restoring the vehicle's factory handling and comfort. Built with Bilstein's established quality and high power reserves, this direct-fit rear strut replaces worn dampers to return intended ride characteristics and safety.
Bilstein B4 OE Replacement 15-17 BMW M3/15-17 M4 Rear Twintube Strut Assembly
