The R1 Concepts eLine drilled and slotted brake rotor is a direct-fit replacement built to improve heat dissipation and braking consistency. Cross-drilled holes vent heat and gas away from the rotor face while the curved slots sweep water, dust, and pad glaze off the pad surface for a firmer, more repeatable bite. The casting carries a protective silver zinc coating that resists rust on the non-contact surfaces, and each rotor is mill-balanced to OE specification for smooth, vibration-free braking.
Specifications
| Type | eLine Series Drilled & Slotted Brake Rotor |
| Position | Front Right |
| Material | Cast Iron |
| Finish | Silver (Zinc Coated) |
| Quantity | 1 |
| Part Number | 631-31055D |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2006 | BMW | M3 | Base |
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