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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 Split cooling

Split cooling is a new development for the B46TU engine. This cooling concept is a modified version of which is already used in the N63TU2. The Split Cooling function uses the electrical Split Cooling Valve (SCV), to enable on-demand decoupling of the crankcase from the coolant flow both in the w

 Glass sunroof

General information The glass sunroof and the sun protection are operated using the same switch. Safety information Warning Body parts can be jammed when operating the glass sunroof. There is a risk of injury. Make sure that the area of movement of the glass sunroof is clear during opening and clos

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