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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Operation via touchscreen
General information
The Control Display is equipped with a touchscreen.
You can tap on menu items and widgets. Touch
the screen with your fingers. Do not use any objects.
Opening the main menu
Tap on the symbol.
The main menu is displayed.
Adjusting widgets
The widgets can be adjusted in the main
Introduction
The function of the brake system of the G20 PHEV is to decelerate the vehicle
safely under stable
conditions. Vehicle deceleration is made up of the following elements:
Conventional hydraulic braking
Regenerative braking
Thanks to regenerative braking it is possible to convert the kinetic
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