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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Time
Setting the time zone
Via iDrive:
1. "CAR".
2. "Settings".
3. "General settings".
4. "Date and time".
5. "Time zone:".
6. Select the desired setting.
The setting is stored for the driver profile currently
used.
Setting the time
Via iDrive:
1. "CAR".
2. "Settings".
3. "General settings".
4.
Service information
Electronic emergency gearbox release
As with the conventional 8-speed automatic transmission, the GA8P75HZ also
has an electrical
emergency release option.
In conventional vehicles the starter motor rotates for this, and also drives the
mechanical transmission
oil pump via the torque converter. W
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