- Fully balanced

Triple Groove Valve Design will work with factory valve locks " Valve Keepers

Professional installation is strongly recommended to ensure the kit functions correctly and safely—only experienced engine builders or technicians should handle the installation to maximize the performance gains and reliability of your BMW S58 engine

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Genuine BMW Crankshaft, BMW S85 5.0L S54 Turbo - Fully balancedNEW OEM BMW crankshaft for the V10 engines, BMW part #11217838319 factory 75. 2mm stroke. Does NOT come with bearings! BMW S85 Applications: BMW 5 Series 2005 2010 E60 E61 M5 BMW 6 Series 2005 2010 E63 E64 M6