BMW 3: Introduction
BMW 3 Series G20 (2018-2025) Training manual / B46TU-B48TU Engines / Introduction
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Innovations B46TU/B48TU
Innovations B46TU
To meet the legal requirements for emissions, a number of technical
improvements have been
implemented. The technical updates for the B46TU engine include the following
new feature
Engine identification
B46TU engine
Engine identification - transverse mounted shown
B48TU engine
Engine identification - transverse mounted shown
Engine number
Engine identification
The 7-digit engine identification
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Oil supply
The basic functions of the oil circuit of the GA8P75HZ transmission
correspond to those of the
GA8HP70Z transmission. The oil has the following tasks:
Lubrication
Control of the shift elements
Cooling
It is a conventional pressure circulating system. In addition to the
mechanical transmission
Locking the doors and
windows in the rear
General information
In certain situations it may be advisable to secure
the rear doors and windows, for instance when
transporting children.
Doors
Unlock or lock the safety switch on the rear
doors with the integrated key.
Child safety latch is unlocked.
Child safety latch is locked.
The door can
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