See also:

Malfunction
Comfort Access may not function properly if it experiences interference from external sources such as mobile phones, metal objects, overhead power lines, transmission towers, etc. In this case, ...

Locking and unlocking
Pressing the buttons locks and unlocks the doors and the trunk lid when the front doors are closed, but they are not secured against theft. The fuel filler flap remains unlocked. ...

A host of active safety systems reduce the risk of accidents
A selection of electronic assistance systems make an active contribution to driving safety in the new BMW 3-Series, helping drivers to avoid collisions in the first place. The functions of the mai ...