Mosselman S55 Crank Hub Upgrade BMW F8x M2C/M3/M4 Add Installation Kit?:Yes 1 Series E82 135i Coupe

1 Series E82 135i Coupe (N54)

factory-correct appearance

2x2 gloss twill carbon fiber with opposing matte carbon fiber and painted white accents

X1 E84 35iX SUV (N55)

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Mosselman S55 Crank Hub Upgrade BMW F8x M2C/M3/M4 Add Installation Kit?:Yes 1 Series E82 135i CoupeIn the BMW S55 engine, the camshafts are driven by a timing chain connected to the crankshaft. This chain runs over a sprocket mounted on the crank hub. In the factory setup, the sprocket is not mechanically fixed to the crank hub, which can pose a riskespecially in tuned engines. Under increased power and load, the sprocket may slip, causing the engine timing to go out of alignment. The Mosselman S55 Crank Hub addresses this issue with a pinned