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:
Under the Hood
The 528i has a 240-horsepower, 3.0-liter six-cylinder, while the 535i gets a
300-hp, turbocharged 3.0-liter six-cylinder. The 550i has a twin-turbo,
4.4-liter V-8 that makes 400 hp. All three use ...
If the worst comes to the worst: BMW Assist Emergency Call with automatic
vehicle location
In the event of an accident in the new BMW 3-Series, the Advanced eCall
function from BMW ConnectedDrive allows the emergency services to receive
detailed information on the type of collision and ...
Deleting the button assignments
1. Press buttons 1 and 8 simultaneously for
approx. five seconds.
2. "OK" ...
