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The forged Corniche is offered in Monoblock and 2 Piece Forged
Designed to increase power and torque while also reducing weight
to a hole in the engine
To be installed as a kit with 831011 and 831032 or 831012
Eliminates uneven cross-weights
Crank Hub + Timing Chain Installation Parts - BMW F80 M3 | F82 M4 | F83 M4 | F87 M2C RS3 (8V) The forged Corniche is offeredWhen replacing the crank hub AND timing chain on the S55 engine there are parts required to be replaced during the process. We have put together the complete kit of OEM parts required on top of the crank hub itself below: OEM timing chain OEM chain tensioner & guide rail OEM slide rail OEM sump gasket OEM sump screws OEM crank seal OEM cover lid OEM cam cover gasket OEM timing chain tensioner OEM vanos bolts x2 OEM crank bolt OEM oil filter THIS DOES