BMW 3 Owners & Service Manuals

BMW 3: System wiring diagram

BMW 3 Series G20 (2018-2026) Training manual / Drive Components / Fuel supply / System wiring diagram

Fuel supply
G20 PHEV, system wiring diagram for fuel supply

  1. Integrated supply module
  2. Digital Motor Electronics (DME)
  3. Shutoff valve purge air line (only for US version)
  4. Body Domain Controller (BDC)
  5. Fuel filler flap lock
  6. Power distribution box, rear
  7. Fuel pump control electronics
  8. Hybrid pressure refuelling electronic control unit (TFE)
  9. Fuel tank isolation valve (only for US version)
  10. Electric fuel pump
  11. Pressure/Temperature sensor
  12. Fuel tank isolation valve (only for European version)
  13. Fuel tank shutoff valve (only for US version)
  14. Lever sensor for fuel level
  15. Advanced Crash Safety Module (ACSM)
  16. Power window motor, driver's side (supply for LED refuelling button )
  17. Refuelling button
  18. Instrument cluster (KOMBI)
  19. Power distribution box, front left

In the event of a crash, the fuel pump control electronics immediately disconnect the power supply to the fuel pump drive. The fuel pump control electronics receive the information for this from the Advanced Crash Safety Module ACSM.

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     Refuelling

    The pressurized fuel tank must be vented before refuelling. To initiate the refuelling procedure, the button in the driver's door first needs to be operated. The button is not active when the vehicl

     Automatic transmission

     Introduction

    The automatic transmission GA8P75HZ of the G20 PHEV, which is based on the transmission introduced in the F07 at the end of 2009 (GA8HP70Z), is also manufactured by ZF. If you have already take

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     System limits

    Certain noises can be detected and may lead to problems. Keep the doors, windows, and glass sunroof closed. Noises from the front passenger or the rear seat bench can impair the system. Avoid making other noise in the vehicle while speaking. Major language dialects can cause problems with

     Recent destinations

    General information The previous destinations driven to are stored automatically. Open the destination from the last destinations 1. Press the button on the Controller. 2. "Recent destinations". 3. Select the destination. Edit recent destinations 1. Press the button on the Controller. 2. "Recen

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