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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Technical data
The following table provides an overview of the technical data of the G20
PHEV 330e compared with
the G20 330i and the F30 PHEV 330e.
* Values may increased, depending on the equipment.
Equipment
The G20 PHEV and G20 differ not only in the technical data but also in the
range of optional
eq
Electrical connections
The high-voltage battery unit also has a signal connection, as well as the
high-voltage connection.
The high-voltage battery unit is integrated in the refrigerant circuit in order
for it to be cooled.
Connections of the SP41 high-voltage battery
Venting unit
Signal connector
Connections for
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