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
READ NEXT:
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
SEE MORE:
General information
The vehicle manufacturer recommends to additionally
secure the vehicle against rolling away
when changing a wheel.
On a level surface
Place wheel chocks or other suitable objects in
front and behind the wheel that is diagonal to the
wheel to be changed.
On a slight downhill grad
General information
When planning a trip, several intermediate destinations
can be entered.
New trip
1. Press the button on the
Controller.
2. Select the type of destination entry.
3. Select a single destination.
4. Enter an intermediate destination.
Intermediate destinations
General information