BMW 3 Owners & Service Manuals

BMW 3: Connections

BMW 3 Series G20 (2018-2025) Training manual / Electrical Machine Electronics / 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
Connections of the Electrical Machine Electronics with lines

  1. Connection for potential compensation line
  2. Low-voltage connector
  3. High-voltage cable (DC) to the high-voltage battery unit
  4. High-voltage connection to convenience charging electronics
  5. Output, DC/DC converter -12 V
  6. High-voltage cable (AC) to the electrical machine
  7. Coolant feed line
  8. Coolant return line
  9. Output, DC/DC converter +12 V
  10. Ventilation

READ NEXT:

 Low-voltage connections

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

 High-voltage connections

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

 High-voltage cables

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:

 Destination entry by voice

General information Instructions for the voice activation system, see vehicle Owner's Manual. When making a destination entry by voice, you can change between voice operation and iDrive. To have the available voice commands read out loud: ›Voice commands‹ or ›Help‹. Saying the entri

 Overview

Unlocking Locking Stationary climate control through Remote Engine Start Opening the trunk lid Press and hold or press three times in quick succession: panic mode Press briefly: headlight courtesy delay feature Unlocking General information The behavior of the vehicle when unlocking usin

© 2019-2025 Copyright www.bmw3g20.com