
- Availability: 1
- Part Number: MMR20-1001
- Brand:

- EC Approved: NO
Stocked and shipped from the EU
E.U. BENEFITS
All products are shipped from the European Union, thus if shipping destination is within the E.U. no extra charges (such as tax import) will be applied.

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The MMR Performance one-piece crank hub permanently eliminates the risk of crank hub slip found on OEM multi-piece designs used on BMW S55 / N55 engines. Machined from billet EN36 steel and case-hardened for extreme durability, it replaces the factory unit with a solid one-piece design that prevents any friction plate movement. When installed with the supplied new crank bolt—and optionally paired with the MMR capture plate—it delivers a major reliability upgrade for both stock and high-power applications.
One-piece billet crank hub design
Eliminates OEM friction plate slip
Billet EN36 steel construction
0.75 mm case-hardened for maximum strength
New OEM crank bolt included
Designed for S55 / N55 engines
Compatible with optional MMR capture plate
Suitable for stock and tuned engines
Professional installation recommended
Made in the UK
2026 - This material is exclusively copyrighted and reserved


| Manufacturer | Model | Type | Version |
|---|---|---|---|
| BMW | 1 Series | E8x - 08-13 | 135i - 306 |
| BMW | 1 Series | E8x - 08-13 | 1M - 340 |
| BMW | 1 Series | F2x - 11-20 | 135i - 320 / 326 |
| BMW | 2 Series | Fxx -13-20 | 235i - 326 |
| BMW | 2 Series | Fxx -13-20 | M2 - 370 |
| BMW | 2 Series | Fxx -13-20 | M2C - 410 / 450 |
| BMW | 3 Series | E46 - 01-06 | M3 - 343 / 360 |
| BMW | 3 Series | Fxx - 13-19 | 335i -306 |
| BMW | 3 Series | Fxx - 13-19 | M3 - 431 / 450 / 460 |
| BMW | 4 Series | Fxx - 13-19 | 435i - 306 |
| BMW | 4 Series | Fxx - 13-19 | M4 - 431 / 450 / 460 |

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Reviews Over MMX single piece crank hub BMW 135i - 235i - 335i - M2 - M3 - M4 - M5 / N54, N55, S55, S54
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