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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 Heat management module

The heat management module replaces the characteristic map thermostat. Heat management module Electrical Split Cooling Valve (SCV) Coolant output towards the coolant pump Electrical actuator Rotary valve A rotary valve inside the heat management module ensures needs-driven cooling of the var

 Resetting BMW Digital Key

To reset BMW Digital Key, an authorized vehicle key must be located in the vehicle. After the reset, the vehicle can no longer be unlocked, locked or started with a digital key. The vehicle owner must present proof of authorization for his vehicle again at the service center to be able to use BMW

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