The ST XTA Plus 3 coilover kit for 2014–2022 BMW M4 provides KW twin-tube dampers with independent high- and low-speed compression adjustment plus adjustable rebound damping to fine-tune handling. Ride height is set via seamless thread on a galvanized strut housing, and the kit includes race springs, aluminium unibal top mounts and corrosion-resistant treatments. Built and tested by KW in Germany with a five-year warranty.
ST Suspensions 14-22 BMW M4 ST XTA Plus 3 Coilover