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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Operating strategy
The following graphic shows the positions of the rotary valve as the coolant
temperature increases:
Switching diagram heat management module
0% - Rotary valve closed
100% - Rotary valve open
Cold start
Warm-up phase
Operating temperature
Transition from normal operation to maximum cooling req
Entertainment sources
General information
Possible entertainment sources:
Radio
Depending on the equipment: audio CD
Depending on the equipment: video DVD
Music hard disk
USB audio
USB video
Bluetooth audio
Screen Mirroring
Apple CarPlay
Changing the entertainment
source
On the radio:
1. Press the button.
A l
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