BMW 3: Low-voltage Vehicle Electrical System
BMW 3 Series G20 (2018-2026) 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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Screen Mirroring
General information
Screen Mirroring enables mirroring (outputting)
of the smartphone display on the Control Display.
Functional requirements
Compatible smartphone with Screen Mirroring interface.
Screen Mirroring is switched on on the
smartphone.
WiFi is switched on in the vehicle.
Activate W
Charging socket at the vehicle
The charging socket of the G20 PHEV is located on the front left side panel.
The charging socket
cover is locked and unlocked using an electric motor. This electric motor drive
is controlled by the
convenience charging electronics. The charging socket cover can be opened only
in selector lev
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