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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Warning with braking function
Display
If a collision with a pedestrian or a cyclist is imminent,
a warning symbol appears on the instrument
cluster and in the Head-up Display.
The red symbol is displayed and a
signal
sounds.
Alternatively, depending on the
vehicle
equipment, a red warning triangle lights
up in the instrument
Actions in the event of a flat tire
Normal tires
1. Identify the damaged tire.
Check the tire inflation pressure in all four
tires, for instance using the tire pressure gage
of a flat tire kit.
For tires with special approval: if the tire inflation
pressure in all four tires is correct, the TPM may not have been reset. In this
case
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