The MMX RP650 Performance Rear Brake Pads are the rear-axle complement to MMX’s fast-road compound pad family, the same medium aramid-fibre formulation engineered for F-chassis BMWs that see a mix of daily driving, aggressive backroad runs, and occasional track-day use. Developed through extensive road and track testing, the RP650 compound delivers a meaningful step up in fade resistance and high-temperature stability versus the OEM rear pad without giving up cold-bite, low-noise, or low-dust daily-driver behaviour.
The compound runs at a 0.42 friction coefficient across the 450C650C operating window. Unlike pure motorsport compounds, RP650 works from cold, full braking force is available the moment the pedal is pressed, with no warm-up period required. As temperatures rise during repeated heavy braking, the compound maintains near-zero fade and predictable friction characteristics for a progressive pedal feel even when the OEM rear pad starts to give up.
The pads are ECE-R90 approved, fully road-legal in the UK and EU jurisdictions where that homologation is required, with cold performance, speed, sensitivity, friction behaviour, compressibility, shear, and hardness all certified. Construction is shimmed, slotted, and chamfered for quiet, smooth daily-driving manners. Bedding-in happens naturally over the first 100200 miles of urban driving, no aggressive bedding procedure required.
This rear pad set covers a wide F-chassis fitment range: F87 M2 / M2 Competition / M3 / M4 (S55), and the M-Sport-braked F2X and F3X performance models running the N55 or B58 engine. For owners running matching MMX RP650 fronts (MMR27-1001F) or completing a brake refresh on an M-Sport-braked F-chassis car, this is the matched fast-road rear pad.
Product Details
- Friction coefficient: 0.42 across 450C650C
- ECE-R90 approved: public highway legal
- Near-zero fade under sustained high-temperature use
- Direct OE replacement: uses factory caliper and hardware
- Rear-axle set (4 pads, sufficient for one vehicle)
- SKU: MMR27-0501R
What’s Included
- 1 set of 4 rear brake pads (one vehicle, rear axle)
- Pad shims (pre-shimmed)
- Brake fluid, lubricant, and fitting accessories not included
Related Products
- MMX RP650 Performance Front Brake Pads F8X
- MMX F8X 2-Piece 370mm Floating Rear Rotor Set
- MMX F2X/F3X M-Sport 2-Piece Rear Rotor Set 34524mm
Notes
- For best results, pair with MMX 2-Piece Floating Rear Rotors (MMR30-1002R for F8X, MMR30-0501R for F2X/F3X M-Sport).
- RP650 is MMX’s fast-road / light-track compound. For dedicated track-only use, contact us for compound guidance.
- Includes a 1-year manufacturer warranty against defects in materials and workmanship
- Designed and tested in the United Kingdom
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