Dinan's Supplemental Ride Quality & Handling Kit adds four tuned, progressive-rate bump stops that work with Dinan performance spring sets to maximize usable suspension travel on a lowered car. The progressive stops keep the suspension from bottoming out harshly at full compression and help optimize the effective spring rate for more mechanical grip and cornering control. They are made from OE-quality material and install as a direct supplement to a Dinan spring set.
Specifications
| Type | Progressive-rate bump stop kit |
| Material | OE-quality progressive-rate material |
| Quantity | Set of 4 (four bump stops) |
| Part Number | D193-0121 |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2026 | BMW | 330i | Base |
| 2019-2026 | BMW | 330i xDrive | Base |
| 2022-2026 | BMW | M240i xDrive | Base |
| 2020-2026 | BMW | M340i | Base |
| 2020-2026 | BMW | M340i xDrive | Base |
| 2021-2026 | BMW | M440i xDrive | Base |
| 2018-2024 | BMW | X3 | M40i |
| 2018-2025 | BMW | X4 | M40i |
| 2020-2023 | BMW | X5 | M |
| 2020,2024-2026 | BMW | X5 | M Competition |
| 2020-2023 | BMW | X6 | M |
| 2020-2021,2024-2026 | BMW | X6 | M Competition |
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