The ST X coilover kit delivers application-specific ride-height adjustment for the BMW F3x 3-Series and 4-Series. Dampers are engineered and built by hand at KW in Germany and shock-dyno tested, with fixed valving tuned per application for everyday road comfort and sharper handling. A galvanized zinc-coated steel housing and friction-optimized polyamide composite spring perch with a stainless-steel insert resist corrosion for long-lasting height adjustability.
Specifications
| Type | Coilover kit (ST X) |
| Adjustability | Ride height |
| Damping | Fixed |
| Construction | Galvanized zinc-coated steel, monotube |
| Part Number | 1322000J |
| Warranty | 5-year limited, unlimited mileage |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2018 | BMW | 320i | Base |
| 2014-2018 | BMW | 328d | Base |
| 2018 | BMW | 328d xDrive | Base |
| 2014-2016 | BMW | 328i | Base |
| 2016,2018 | BMW | 330e | Base |
| 2017 | BMW | 330e | iPerformance |
| 2017-2018 | BMW | 330i | Base |
| 2014-2015 | BMW | 335i | Base |
| 2016-2018 | BMW | 340i | Base |
| 2014-2016 | BMW | 428i | Base |
| 2015-2016 | BMW | 428i Gran Coupe | Base |
| 2017-2020 | BMW | 430i | Base |
| 2017-2020 | BMW | 430i Gran Coupe | Base |
| 2014-2016 | BMW | 435i | Base |
| 2015-2016 | BMW | 435i Gran Coupe | Base |
| 2017-2020 | BMW | 440i | Base |
| 2017-2020 | BMW | 440i Gran Coupe | Base |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. 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.
