BMW 3 Owners & Service Manuals

BMW 3: Low-voltage Vehicle Electrical System

BMW 3 Series G20 (2018-2026) Training manual / Low-voltage Vehicle Electrical System

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 Voltage supply

The 12 V vehicle electrical system of the G20 PHEV is essentially the same as the electrical system of the G20. The main difference lies in the fact that the power supply is no longer by the al

 Start-up system

Starter motor The combustion engine B46 can be started via the conventional starter motor and the electrical machine. The following table shows when and under which conditions the respective start

 Terminal control for driving readiness

Terminal control from driver's view Vehicle condition - DRIVING Vehicle condition - RESIDING Vehicle condition - PARKING Transitional condition for establishing driving readiness, ending driv

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 Route details

Concept When destination guidance is activated, a list of route sections can be displayed. General information The following information is displayed: Display of destination guidance information, such as turn information or lane information. Traffic events and traffic flow. Points of Interest a

 Trunk lid

Trunk lid and doors Depending on the vehicle equipment and country version, this setting may not be offered. Via iDrive: 1. "CAR". 2. "Settings". 3. "Key button settings". 4. Select the symbol. 5. Select the desired setting: "Tailgate" The trunk lid is opened. "Tailgate and door(s)" The t

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