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:
Power windows
Safety information
Warning
When operating the windows, body parts and
objects can be jammed. There is a risk of injury
or risk of damage to property. Make sure that
the area of movement of the windows is clear
during opening and closing.
Overview
Power windows
Safety switch
Functional requirements
Storage compartments
General information
The vehicle interior contains multiple storage
compartments for stowing objects.
Safety information
Warning
Loose objects or devices with a cable connection
to the vehicle, for instance mobile phones,
can be thrown into the car's interior while driving,
for instance in the event
© 2019-2026 Copyright www.bmw3g20.com
