BMW 3: 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:
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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
Compared with the G20, a number of new control units have been installed in
the G20 PHEV.
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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The function of the brake system of the G20 PHEV is to decelerate the vehicle
safely under stable
conditions. Vehicle deceleration is made up of the following elements:
Conventional hydraulic braking
Regenerative braking
Thanks to regenerative braking it is possible to convert the kinetic
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