The concept

Pressing the Start/Stop button switches the ignition on or off and starts the engine.
Automatic transmission: the engine starts if the brake is depressed when the Start/Stop button is pressed.
Manual transmission: the engine starts if the clutch is depressed when the Start/Stop button is pressed.
See also:
General driving notes
Closing the trunk lid
Drive with the trunk lid closed
Only drive with the tailgate closed; otherwise,
in the event of an accident or braking or
evasive maneuvers, passengers or other road
use ...
BMW maintenance system
BMW maintenance system
The maintenance system provides information
on required maintenance measures and thus
provides support in maintaining road safety and
the operational reliability of the ...
Locking and unlocking
Pressing the buttons locks and unlocks the
doors and the tailgate when the front doors are
closed, but they are not secured against theft.
The fuel filler flap remains unlocked. ...
