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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 Vehicle battery

General information The battery is maintenance-free. More information about the battery can be requested from a dealer's service center or another qualified service center or repair shop. Safety information Warning Vehicle batteries that are not compatible can damage vehicle systems and impair veh

 Power electronics in the convenience charging electronics

The power electronics for the conversion of the AC voltage from the charging socket to direct current voltage, which is required for charging the high-voltage battery unit, are housed in the convenience charging electronics. The AC voltage is supplied as a single phase. The input voltage, which c

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