BMW 3: Bus Systems
BMW 3 Series G20 (2018-2025) Training manual / Bus Systems
The bus systems of the G20 PHEV are based on the bus systems of the G20. All the main and sub-bus systems of the G20 are also used in the G20 PHEV. Compared to the bus systems of the G20, some control units have been added, adapted or not installed. The resulting bus overview of the G20 PHEV is as follows:
- New schematic diagram
- New control units
- Electrical machine electronics (EME)
- Convenience charging electronics (KLE)
- Vehicle Sound Generator (VSG)
- Adapted control units
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New schematic diagram
The representation of the individual bus systems and their designations have
been adapted to the
representation and the designation of the ISTA workshop information system.
The following table provi
New control units
Compared with the G20, a number of new control units have been installed in
the G20 PHEV.
Electrical machine electronics (EME)
Electrical machine electronics
The function of the Electrical Machine Electronics (EME) is to activate and
regulate the permanently
excited synchronous machine in the high-voltage vehicle electrical
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Changing/canceling the
recognition function
If another vehicle key or another digital key is to
be assigned to a driver profile, the current assignment
must be canceled first.
Via iDrive:
1. "CAR".
2. "Driver profiles".
3. Move the Controller to the right.
As an alternative for Steps 1 to 3, the profile
image can be tapped in the top stat
Indicator light on the interior
mirror
The indicator light flashes briefly every 2 seconds:
The alarm system is switched on.
Indicator light flashes for approx. 10 seconds,
then it flashes briefly every 2 seconds:
Interior motion sensor and tilt alarm sensor
are not active, as doors, hood, or trunk lid are
not correctly closed.
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