BMW 5 Series: System wiring diagram
B46/B58 Engine

System wiring diagram B68/B58 engine in G30
- Digital Motor Electronics (DME)
- Electric fan
- Relay for electric fan
- Power distribution box, engine compartment
- Pinion starter
- Air conditioning compressor
- CAN terminator 6
- CAN terminator 5
- CAN terminator 4
- Body Domain Controller (BDC)
- Intelligent Battery Sensor (IBS)
- LIN interface
- Rear right power distribution box
- Electrical exhaust flap
- Fuel Pump Control (FPC)
- Electric fuel pump
- Tank leak diagnosis (Natural Vacuum Leak Detection NVLD)
- Advanced Crash Safety Module (ACSM)
- Instrument panel (KOMBI)
- Accelerator pedal module
- Dynamic Stability Control (DSC)
- Integrated supply module
N63TU2 Engine

System wiring diagram N63TU2 engine in the G30
- Digital Motor Electronics (DME) 2
- Electric fan
- Temperature sensor
- Relay for electric fan
- Digital Motor Electronics (DME)1
- Power distribution box, engine compartment
- Integrated supply module
- CAN terminator 4
- Body Domain Controller (BDC)
- CAN terminator 5
- Intelligent Battery Sensor (IBS)
- LIN interface
- Rear right power distribution box
- Electrical exhaust flap, right
- Electrical exhaust flap, left
- Fuel Pump Control (FPC)
- Electric fuel pump
- Tank leak diagnosis (Natural Vacuum Leak Detection NVLD)
- Gear selector switch (GWS)
- Advanced Crash Safety Module (ASCM)
- Instrument panel (KOMBI)
- Dynamic Stability Control (DSC)
- Accelerator pedal module
- Electronic transmission control (EGS)
- Air conditioning compressor
- Pinion starter
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Air intake duct
In contrast to the 4- and 6-cylinder gasoline engines, the 8-cylinder
gasoline engine has a two-branch
intake system. This ensures that the necessary air volume is made available to
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 coeff
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System wiring diagram
Horns
Horn, left
Horn, right
Relay in the Body Domain Controller
Body Domain Controller (BDC)
Steering column switch cluster (SZL)
Signal path of horn:
When the horn is pressed the signal is received by the steering column
switch cluster (SZL).
The SZL sends the in
Display in the speedometer
Green marking: system is
active,
the marking indicates the
desired speed.
Orange/white marking: system
is interrupted, the marking indicates
the stored speed.
No marking: system is switched off.
Status display
The selected desired speed is
hidden after
a brief