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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 Planning a trip

General information When planning a trip, several intermediate destinations can be entered. New trip 1. Press the button on the Controller. 2. Select the type of destination entry. 3. Select a single destination. 4. Enter an intermediate destination. Intermediate destinations General information

 Mobility System

Concept With the Mobility System, minor tire damage can be sealed temporarily to enable continued travel. To accomplish this, sealant is pumped into the tires, which seals the damage from the inside. General information Follow the instructions on using the Mobility System found on the compressor

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