The ST XA coilover kit gives you adjustable ride height plus 16-click adjustable rebound damping, so you can dial in everything from comfort to a sporty setup with a turn of the knob. Galvanized zinc-coated steel struts and a friction-optimized polyamide composite spring perch with a stainless-steel insert resist corrosion for long-lasting height adjustability. Built by hand and dyno-tested at KW in Fichtenberg, Germany, each kit ships preset to the factory-recommended damper setting and includes a setup manual.
| Type | Coilover kit (ST XA) |
| Adjustability | Ride height + damping |
| Damping | 16-click adjustable rebound |
| Construction | Galvanized zinc-coated steel |
| Warranty | 5-year limited, unlimited mileage |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2023-2024 | BMW | M240i | Base |
| 2020-2023 | BMW | M340i | Base |
| 2022-2024 | BMW | M440i | Base |
