BMW 3: Valve gear
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 additional weight of the larger camshaft sprockets, the adjuster was designed to be shorter and more compact. Additionally, the chain track was displaced by 1.5 mm.
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Belt drive
Comparison belt drive B46 engine and B46TU/B48TU engines
B46 Engine (transverse installation shown)
B46TU/B48TU engines (transverse installation shown)
Deflecting element
Alternator
Coolant p
Split cooling
Split cooling is a new development for the B46TU engine. This cooling concept
is a modified version
of which is already used in the N63TU2.
The Split Cooling function uses the electrical Split Cooli
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Possible commands
General information
Most contents on the Control Display can be
spoken as commands, e.g. menu items or list entries.
Speak these list entries out loud exactly as
they are shown in the list.
Say the commands and numbers with normal
volume, emphasis, and speed.
The status of the voice recognition i
Vehicle identification number
Engine compartment
The vehicle identification number can be found
in the engine compartment, on the right-hand
side of the vehicle.
Windshield
The vehicle identification number can also be
found behind the windshield.
iDrive
It is also possible to display the vehicle identification
number via iD
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