engineered with a larger diameter than the OEM flywheel

Performance valve seats are installed using advanced methods to ensure a perfect

2016-Present     Cooper S

COMPATIBILITY

This direct-fit camshaft set is optimized for use with both stock and upgraded N55 setups

BMW Crankshaft Hub Washer 11 23 8 090 136 KD engineered with a larger diameterGenuine BMW Crankshaft Hub Washer 11 23 8 090 136 (11238090136) is the OE replacement washer designed for N55 and S55 engines. This critical component ensures proper seating and torque retention of the crank hub assembly, maintaining long term engine reliability under both stock and high performance conditions. BMW recommends using only new OEM hardware when servicing the crank hub, as reusing old components can compromise clamping force and lead to