Description
MMX BMW N55/S55 4-Pinned One-Piece Crank Hub Kit with Capture Plate combines MMX’s higher-retention four-pin hub design with the additional crank-bolt security of a capture plate.
The one-piece hub removes the original friction interfaces, four locating pins resist hub movement, and the capture plate helps prevent crank-bolt loosening. The supplied MMX dealer list also specifies a drill bit, drill guide and OE bolt with this exact kit SKU.
Key features
- Four-pinned one-piece crank hub
- MMX crank-hub capture plate included
- Drill bit, drill guide and OE bolt listed with this SKU
- Developed for high-output N55 and S55 builds
- Exact official MMX kit imagery
Fitment: compatible BMW N55/S55 applications across F2x, F3x, F80, F82 and F87 chassis. Confirm the exact engine and crank-hub interface before ordering.
Installation: professional specialist installation is essential. Follow all supplied machining, engine-timing, torque and replacement-hardware procedures.
SKU: MMR20-1004FK
Exact official MMX kit image plus an exact official capture-plate detail image.




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