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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Trunk lid
General information
To avoid locking the vehicle key in the vehicle,
do not place the remote control in the cargo
area.
Depending on the vehicle equipment and country
version, it is also possible to have the doors
unlocked. To perform settings.
The trunk lid cannot be opened when the vehicle
is in
Components and their installation location
G20 PHEV components of the fuel supply in European version
Carbon canister
Pressurized fuel tank (in cast aluminum housing)
Fuel filler flap with cover
Fuel tank isolation valve
Cable for emergency release of the fuel filler flap
Tank vent valve
Digital Motor Electronics (DME)
Fuel ta
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