BMW 3: Connections
The connections at the Electrical Machine Electronics can be divided into
four categories:
- Low-voltage connections
- High-voltage connections
- Connection for potential compensation line
- Connections for coolant lines.

Connections of the Electrical Machine Electronics with lines
- Connection for potential compensation line
- Low-voltage connector
- High-voltage cable (DC) to the high-voltage battery unit
- High-voltage connection to convenience charging electronics
- Output, DC/DC converter -12 V
- High-voltage cable (AC) to the electrical machine
- Coolant feed line
- Coolant return line
- Output, DC/DC converter +12 V
- Ventilation
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In the low-voltage connector at the Electrical Machine Electronics the
following lines and signals are
combined:
Terminal 30 from the hybrid power distribution box
Terminal 30 from the f
At the Electrical Machine Electronics, there is a total of three high-voltage
connections to connect the
lines for other high-voltage components. The connections for the electric A/C
compressor and
The high-voltage cables connect the high-voltage components and are
identified by orange cable
sleeves. The manufacturers of hybrid cars have agreed on a uniform
identification of the high-voltage
c
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Safety information
Warning
With convenient closing, body parts can be
jammed. There is a risk of injury. Make sure
that the area of movement of the doors is clear
during convenient closing.
Closing
Press and hold the button on the
vehicle
key in the area close to the vehicle after
locking.
The wi
Maintaining and storing the speed
Press the rocker switch up or down once while
the system is interrupted. The system will be activated.
The current speed is maintained and stored as
desired speed.
The stored speed is displayed on the speedometer.
DSC Dynamic Stability Control is switched on, if