BMW 5 Series Owners & Service Manuals

BMW 5 Series: Overview of voltage supply

System wiring diagram

Overview of voltage supply
Voltage supply

  1. Digital Motor Electronics (DME)
  2. Starter motor
  3. Alternator
  4. Power distribution box, engine compartment
  5. Jump start terminal point
  6. Auxiliary battery, engine compartment
  7. Power distribution box, auxiliary battery, engine compartment
  8. Power distribution box, front right
  9. Body Domain Controller (BDC)
  10. Fuse in the Body Domain Controller
  11. CAN terminator
  12. Power distribution box, rear
  13. Fuse in the power distribution box, battery, right
  14. Power Control Unit PCU 500 W
  15. Battery power distribution box
  16. Safety battery terminal
  17. Battery
  18. Power distribution box, front left (PHEV version only)



    Overview of luggage compartment Battery Power distribution box, battery, right Power distribution box, rear Power Control Unit (PCU) 500 W Power Control Unit (PCU) 150 W Power distribution box


    AGM batteries are used for the voltage supply in the G30. There may by 1, 2 or 3 batteries in the vehicle depending on the engine version and vehicle equipment. Starter battery in the luggage comp

     Power distribution box, front right

    Power distribution box, front right A relay for terminal 30B is installed in the front right power distribution box. Consumers are supplied with terminal 30, terminal 30B and terminal 15N and prov


     Operating strategy of the heat management module

    The following graphic shows the positions of the rotary valve as the coolant temperature increases. Circuit diagram of heat management module in B58TU engine 0 % - Rotary valve closed 100% - Rotary valve open Cold start Warm-up phase Operating temperature Transition from normal operatio

     Driving style analysis

    Concept The function helps develop an especially efficient driving style and to conserve fuel. For this purpose, the driving style is analyzed. The assessment is done in various categories and is displayed on the Control Display. This display will help you adjust your driving style and save some

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