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The ST XA coilover kit for 2020–2023 BMW M340i delivers wide-range height and damping adjustment to refine ride height and driving dynamics. Each kit ships preset to factory-recommended damper settings and features 16-click rebound adjustment for tailored comfort or sportier control. Composite spring perches with stainless inserts prevent corrosion while galvanized steel struts and a dust protection system improve long-term durability.
ST XA Coilover Kit 20-23 BMW M340i
