01 V-Band V-Band Internal Supercore Options:

ensuring optimal performance

reducing friction and enhancing power delivery while resisting spinning under extreme conditions

Walbro F90000285 "Hellcat" Electric In-Tank Fuel Pump

Please Note: 325/M3 MODELS ONLY – MODIFICATION MAY BE NECESSARY ON OTHER MODELS

BMW Crank Hub Washer 11 23 7 557 561 1304260 01 V-Band V-Band Internal SupercoreGenuine BMW Crankshaft Hub Washer 11 23 7 557 561 (11237557561) is the OE replacement washer designed for N54 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