1. Remove the integrated key from the vehicle
key.
2. Place the integrated key underneath the battery
compartment cover, arrow 1, and lift the
cover with a lever movement of the
integrated key, arrow 2.
3. Push battery in the direction of the arrow using
a pointed object and lift it out.
4. Inser
VANOS
VANOS unit B46 engine and B46TU/B48TU engines
VANOS B46 engine
VANOS B46TU and B48TU engine
Following the changeover from a two-part chain drive to a single-part chain
drive, the camshaft
sprockets on the VANOS now have 46 teeth instead of the previous 36 teeth. To
compensate for the
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