ST XA height- and rebound-adjustable coilover kit for AWD (xDrive/xi) BMW E90 sedan and E92 coupe — 325xi, 328xi/xDrive, 330xi, 335xi/xDrive (2006-2013). Ride height is set via a friction-optimized polyamide composite spring perch with a stainless-steel insert, and rebound damping adjusts across 16 clicks from comfort to sport. Built by hand by KW in Fichtenberg, Germany, preset to factory-recommended dyno-tested settings, and shipped with a damper setup manual. Galvanized zinc-coated steel struts with multi-layer sealing and elastomer dust protection for long-term corrosion resistance.
| Type | Coilover kit (ST XA) |
| Adjustability | Ride height + rebound damping |
| Damping | 16-click manual rebound adjustment |
| Construction | Galvanized zinc-coated steel struts; polyamide composite spring perch with stainless-steel insert |
| Fitment | AWD (xDrive/xi) only |
| Origin | Made in Germany (built by KW) |
| Warranty | 5-year limited, unlimited mileage |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006 | BMW | 325xi | Base |
| 2009-2013 | BMW | 328i xDrive | Base |
| 2007-2008 | BMW | 328xi | Base |
| 2006 | BMW | 330xi | Base |
| 2009-2013 | BMW | 335i xDrive | Base |
| 2007-2008 | BMW | 335xi | Base |
