BMW 3: Introduction
BMW 3 Series G20 (2018-2026) 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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Rear head restraints
Safety information
Warning
A missing protective effect due to removed or
not correctly adjusted head restraints can
cause injuries in the head and neck area. There
is a risk of injury.
Before driving, install the removed head
restraints on the occupied seats.
Adjust the head restraint so its ce
Low-voltage connections
In the low-voltage connector at the Electrical Machine Electronics the
following lines and signals are
combined:
Terminal 30 from the hybrid power distribution box
Terminal 30 from the front left power distribution box
Terminal 30C (terminal 30 crash signal)
Ground
FlexRay
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