Genuine 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 costly failures. By choosing a Genuine BMW crank hub washer, you’re guaranteed exact fitment, BMW’s strict quality standards, and the latest design improvements.
Backed by a two-year warranty.