The ST XTA adjustable coilover kit for 2015+ BMW M3 (F80) and M4 (F82) delivers a complete, track‑ready suspension upgrade with linear race springs, adjustable dampers, and aluminum unibal camber top mounts. Features include composite spring perches with stainless inserts for corrosion resistance, 16‑click rebound adjustment, pre‑tested dampers, integrated dust protection, and a damper setup manual. Built in Germany with a 5‑year limited warranty.
ST XTA Adjustable Coilovers 2015+ BMW M3 (F80) / M4 (F82)