The ST XTA-Plus 3 is a height- and damping-adjustable coilover kit for the BMW 3-Series (E46), built by hand by KW in Germany. It runs KW twin-tube dampers with independently adjustable high- and low-speed compression (24 clicks each) plus 18 clicks of rebound, on galvanized strut housings with seamless thread ride-height adjustment. The kit includes linear race springs and aluminum unibal top mounts for added camber adjustment and steering feedback, and carries a parts approval certificate.
| Type | Coilover kit (ST XTA-Plus 3, built by KW) |
| Adjustability | Ride height + damping |
| Damping | Compression 24-click high-speed & 24-click low-speed, rebound 18-click |
| Construction | Twin-tube, galvanized steel housing |
| Springs | Linear race springs |
| Top Mounts | Aluminum unibal (adjustable camber) |
| Part Number | 1820220821 |
| Warranty | 5-year limited, unlimited mileage |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2000 | BMW | 323Ci | Base |
| 1999-2000 | BMW | 323i | Base |
| 2001-2005 | BMW | 325Ci | Base |
| 2001-2005 | BMW | 325i | Base |
| 2000 | BMW | 328Ci | Base |
| 1999-2000 | BMW | 328i | Base |
| 2001-2006 | BMW | 330Ci | Base |
| 2001-2005 | BMW | 330i | Base |
Shipping: In-stock orders placed before 4 PM EST ship the same day, with standard, expedited, and overnight options available at checkout. Backordered items ship as soon as our distributor restocks — contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
