BMW 3 Owners & Service Manuals

BMW 3: Electrical Machine Electronics

BMW 3 Series G20 (2018-2026) Training manual / Electrical Machine Electronics

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 Introduction

The Electrical Machine Electronics (EME) is primarily used as control electronics for the electrical machine. It is also responsible for converting the direct current voltage from the high-voltage b

 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

 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

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 Storage compartments

General information The vehicle interior contains multiple storage compartments for stowing objects. Safety information Warning Loose objects or devices with a cable connection to the vehicle, for instance mobile phones, can be thrown into the car's interior while driving, for instance in the event

 Removing the round high-voltage connector

The following figures show the approach for releasing the round high-voltage connector, as used for example on the high-voltage cable from the Electrical Machine Electronics to the convenience charging electronics. Depending on the installation location, different connectors may be used. They ar

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