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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 Indicator light on the interior mirror

The indicator light flashes briefly every 2 seconds: The alarm system is switched on. Indicator light flashes for approx. 10 seconds, then it flashes briefly every 2 seconds: Interior motion sensor and tilt alarm sensor are not active, as doors, hood, or trunk lid are not correctly closed.

 Selector lever positions

Drive mode D Selector lever position for normal vehicle operation. All gears for forward travel are activated automatically. R is reverse Engage selector lever position R only when the vehicle is stationary. Neutral N The vehicle may be pushed or roll without power, for instance in vehicle washes i

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