DynamicFriction cross-drilled front left brake rotor fitting 2021-2025 BMW M2, M3, and M4 (including Competition, xDrive, CS, and CSL). Cast from premium G3000/G11H18 iron with an OE vane configuration for maximum heat dissipation, then CNC-machined and 100% mill-balanced for smooth, vibration-free stops. New in box, ready to install with no modifications.
Specifications
| Type | Cross-drilled OE-replacement brake rotor |
| Position | Front Left |
| Material | G3000/G11H18 cast iron |
| Finish | Non-directional, drilled |
| Vane/Config | OE vane configuration |
| Part Number | 620-31192D |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2023-2025 | BMW | M2 | Base |
| 2021-2025 | BMW | M3 | Base |
| 2021-2025 | BMW | M3 | Competition |
| 2022-2025 | BMW | M3 | Competition xDrive |
| 2024 | BMW | M3 | CS |
| 2021-2025 | BMW | M4 | Base |
| 2021-2025 | BMW | M4 | Competition |
| 2022-2025 | BMW | M4 | Competition xDrive |
| 2025 | BMW | M4 | CS |
| 2023 | BMW | M4 | CSL |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
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