BMW 3 Owners & Service Manuals

BMW 3: Alarm system

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 General information

When the vehicle is locked, the vehicle alarm system reacts to the following changes: Opening a door, the hood or the trunk lid. Movements in the car's interior. Changes in the vehicle tilt, for i

 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 se

 Power windows

Safety information Warning When operating the windows, body parts and objects can be jammed. There is a risk of injury or risk of damage to property. Make sure that the area of movement of the window

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 Removing the flat high-voltage connector

Bridge for high-voltage interlock loop Before the high-voltage connector can be disconnected, the bridge for the high-voltage interlock loop must first be removed. The bridge closes the circuit of the high-voltage interlock loop in a connected state. The SME and EME control units continuous

 Cooling

The Electrical Machine Electronics and convenience charging electronics (KLE) are cooled by the low- temperature coolant circuit. G20 PHEV, low-temperature coolant circuit (schematic diagram) Radiator (coolant/air heat exchanger) Electric Motor Electronics (EME) Convenience charging electronic

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