BMW 3 Owners & Service Manuals

BMW 3: Low-voltage Vehicle Electrical System

BMW 3 Series G20 (2018-2025) Training manual / Low-voltage Vehicle Electrical System

READ NEXT:

 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

SEE MORE:

 Overview

Button in the vehicle Intelligent Safety Camera The camera is installed near the interior mirror. Keep the windshield in front of the interior mirror clean and clear. Switching on/off Switching on automatically The lane departure warning activates automatically after departure if the function wa

 Warning function

Light in the exterior mirror Prewarning The dimmed light in the exterior mirror indicates when there are vehicles in the blind spot or approaching from behind. Acute warning If the turn signal is switched on while a vehicle is in the critical zone, the steering wheel vibrates briefly and the light

© 2019-2025 Copyright www.bmw3g20.com