BMW 3 Owners & Service Manuals

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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 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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 Setting brightness and contrast

Brightness and contrast can be adjusted with Surround View or Panorama View switched on. Via iDrive: 1. Move the Controller to the right, if needed. 2. "Camera image" 3. "Brightness" "Contrast" 4. Set the desired value. Functional limitations The system can be used only to a limited extent

 DC/DC converter

The DC/DC converter in the Electrical Machine Electronics of the G20 PHEV is able to adopt the following operating modes: Standby (also in the event of a component fault or short circuit, power electronics off) Buck mode (energy flow to the low-voltage side, converter adjusts voltage on

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