BMW 5 Series Owners & Service Manuals

BMW 5 Series: Active air flap control

It was possible to carry over the active air-flap control from the G12. The cooling surfaces at the front of the vehicle can be closed by means of two separate air flaps. This reduces the drag coefficient and thus saves fuel. A further advantage is faster heating up of the engine after a cold start.

System wiring diagram

Active air flap control
Air flap control system wiring diagram in the G30

  1. Engine control unit (DME)
  2. Coolant temperature sensor
  3. Active air-flap control, top
  4. Active air-flap control, bottom
  5. Electric fan
  6. Relay for electric fan
  7. Power distribution box, engine compartment
  8. Power distribution box, front right
  9. Body Domain Controller (BDC)
  10. CAN terminator 4
  11. KOMBI
  12. Coolant level sensor


     Gasoline engines

    B468/B58 Engine The B46/B58 engines have two separate coolant circuits. The coolant in the low-temperature coolant circuit to cool the charge air. The coolant in the high-temperature coolant circuit

     Fuel Supply

    Gasoline engine System overview of the gasoline engine fuel supply in the G30 Purge air line, carbon canister Fuel feed from fuel tank Data line to fuel pump control module Delivery unit Fuel f

     Engine Electrical System

    Engine control unit The new 8th generation of Bosch engine control units already used in the G12 is used in the G30. Its appearance is characterized by a uniform housing and a uniform connector str


     Map, Destination guidance

    Map Opening the map The map can be accessed directly with the button on the Controller. Overview General information The map can be used via iDrive. Basic entry explanation, refer to the Owner's Manual for the vehicle. Map view With operation via touchscreen: change map view Status field Op

     Exterior equipment

    Exterior G30 Exterior highlights Air flaps in the radiator grill Air Breather Headlights extend to the radiator grill Adjustable housing for rear lights Underbody The almost fully closed vehicle underbody plays an important role in the aerodynamics. The acoustics in the vehicle are also sign

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