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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Concept
A speed limit can be set that when reached will
cause a warning to be issued.
General information
The warning is repeated if the vehicle speed exceeds
the set speed limit again, after it has dropped
below it by 3 mph/5 km/h.
Adjusting
Via iDrive:
1. "CAR".
2. "Settings".
3. "General settin
General information
In some situations, the vehicle is to roll without
its own power for a short distance, for instance in
a vehicle wash, or be pushed.
Engaging selector lever position N
1. Switch on drive-ready state while pressing on
the brake pedal.
2. If necessary, release the parking brake.