BMW 3: Low-voltage Vehicle Electrical System
BMW 3 Series G20 (2018-2025) Training manual / Low-voltage Vehicle Electrical System
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Voltage supply
The 12 V vehicle electrical system of the G20 PHEV is essentially the same as
the electrical system of
the G20. The main difference lies in the fact that the power supply is no longer
by the al
Start-up system
Starter motor
The combustion engine B46 can be started via the conventional starter motor
and the electrical
machine.
The following table shows when and under which conditions the respective start
Terminal control for driving readiness
Terminal control from driver's view
Vehicle condition - DRIVING
Vehicle condition - RESIDING
Vehicle condition - PARKING
Transitional condition for establishing driving readiness,
ending driv
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Radio
Changing the entertainment source
Sound output on/off, volume
Programmable memory buttons
Changing the station/track
Waveband/satellite radio
Navigation destination entry
Entering a destination via quick
search
1. Press the button on the
Controller.
2. "Where to?"
3. Enter at least two let
Traffic bulletins via voice
operation
Concept
The voice activation system can be used to ask
questions about the current traffic situation depending
on the destination guidance status. Information
about the traffic situation is announced.
Announcing traffic information
Example with active destination guidance:
1. Press the button on th
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