The Dinan adjustable coilover suspension keeps the factory electronic shocks while swapping to a more aggressive spring package and adding threaded collars for user-adjustable ride height. To suit the G8x platform, front spring rates rise about 15 percent while the rear softens about 10 percent and switches to a dual-rate design, increasing rear grip and predictability rather than provoking oversteer. Components are machined from 6061-T6 aluminum and black anodized, and Dinan-spec progressive bump stops preserve ride quality at the recommended drop of roughly 3/4 inch front and rear.
Specifications
| Type | Adjustable coilover suspension system |
| Shocks | Retains factory electronic dampers |
| Springs | ~15% stiffer front, ~10% softer / dual-rate rear |
| Adjustment | Threaded ride-height collars |
| Material | 6061-T6 aluminum, black anodized |
| Recommended Drop | ~3/4 in front and rear |
| Quantity | 1 kit |
| Part Number | D190-8210 |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2026 | BMW | M3 | Base |
| 2021-2026 | BMW | M3 | Competition |
| 2022-2026 | BMW | M3 | Competition xDrive |
| 2021-2026 | BMW | M4 | Base |
| 2021-2026 | BMW | M4 | Competition |
| 2022-2026 | BMW | M4 | Competition xDrive |
| 2023 | BMW | M4 | CSL |
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.
