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S85 Helical Crank Gear

S85 Helical Crank Gear

Regular price $240.00 Sale

Updated S85 helical crank hub gear. 

Update your early model (up to 12/05) M5 or M6 vanos pump gears with this later version when rebuilding your vanos oil pump. The updated gear has a redesigned tooth profile to address failures in the early versions. 

Note: You will also need the updated Vanos pump helical gear with this item if converting from the older version.

It's also recommended to update the pump chain guides as well.