MMX BMW S55 & N55 Single Piece Crank Hub Upgrade F11 523i bolt-on cooler for E8x E9x
MMX BMW S55 & N55 Single Piece Crank Hub Upgrade F11 523i bolt-on cooler for E8x E9xThe MMX Single Piece Crank Hub Upgrade is the ultimate solution to the well documented crank hub failures affecting BMWs S55 and N55 engines. Designed with a 4 pin dowelled single piece design, this upgrade eliminates the risk of the factory three piece hub slipping a known cause of catastrophic engine failure in M2, M3, M4, and N55 powered models. CNC machined in the UK from heat treated billet EN36 steel with 0. 75mm case hardening, the hub offers
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4