BMW 5 Series Owners & Service Manuals

BMW 5 Series: Overview of voltage supply

BMW 5 Series G30 2016-2025 Training Manual / Voltage Supply and Bus Systems / Voltage Supply / 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)

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     Components

    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

     Battery

    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

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     Screw connections

    Some of the Aluminum-steel connections in the G30 body structure are produced using a new body joining technique: flow drill screws. These include, for example, the connection between the engine support (Aluminum extruded profile) and the bulkhead carrier support (ultra-high-strength hot-formed s

     Auto PDC

    On the G30, Auto PDC is activated automatically if the vehicle is approaching an object at a speed below approximately 3 mph (5 km/h) and the object is located in a collision-critical area. The Auto PDC function is available for both the front and rear of the vehicle. The automatic switch-on

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