S85 Helical Pump Gear track

S85 Helical Pump Gear trackUpdate your early model (up to 12 05) M5 or M6 vanos pump gear 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 crank hub helical gear with this item if converting from the older version. It's also recommended to update the pump chain guides as well.

Highly recommended for '99 model year engines

brake pad replacement

1 modified Exhaust splined gear (with anti-rattle modification)

Refurbished Intake camshaft hub for the S54 engine

Highly recommended when replacing the vanos

No box or accessories

Early models (94-95) had the longer lead and will require the same replacement to reach the connector under the manifold

Newer style hydraulic 2pc primary hydraulic chain tensioner helps reduce chain noise at start-up

the stock chain guide becomes brittle over time and if left unchecked it can eventually break

Replacement Vanos solenoids for the Dual Vanos

Upper chain guide rail for the S54 engine

They are identical otherwise