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.
READ NEXT:
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
SEE MORE:
Navigation data
General information
Navigation data is stored in the vehicle and can
be updated from a USB storage device.
Current navigation data is available from a dealer's
service center or another qualified service
center or repair shop or in the ConnectedDrive
Store.
Depending on the data volume, the naviga
Satellite radio
General information
Before a channel can be played, you must subscribe
to it via telephone. Several channels can
be combined into specified packages.
Managing a subscription
General information
In order to enable or unsubscribe from channels,
you must have reception. It is usually at its best
when y
© 2019-2025 Copyright www.bmw3g20.com
