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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Introduction
The "charging" procedure for an electric vehicle corresponds to "refuelling"
a conventionally driven
vehicle. Accordingly, in this chapter "charging" means:
Charging the high-voltage battery unit during operation.
Charging procedure via a charging cable.
As a charging cable is used, one also re
Buttons for the central
locking system
General information
In the event of a severe accident, the vehicle is
automatically unlocked. The hazard warning system
and interior lights come on.
Overview
Buttons for the central locking system.
Locking
Press the button with the front
doors
closed.
The fuel filler flap remains unlocked.
The
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