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:
2012 BMW 3 Series Sedan: First Look
Competes with: Mercedes-Benz C-Class, Infiniti G37, Audi A4
Looks like: A little bit bigger outside, just a teensy bit bigger inside
Drivetrain: 240-hp, 2.0-liter twin-turbocharged inline-four cylin ...
Calling up the desired speed and distance
While driving
Press the button with the system
switched on.
In the following cases, the stored speed value is
deleted and cannot be called up again:
▷ When the system is switched off ...
Switching on automatically
Select transmission position R with the engine
running.
The Top View and PDC images are displayed if
the system is switched on via iDrive. ...