See also:

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 pre ...

Under the Hood
The 640i is powered by a 315-horsepower, turbocharged 3.0-liter six-cylinder engine. Its peak torque rating is 332 pounds-feet. BMW cites a zero to 60 mph time of 5.5 seconds for both the coupe an ...

Safety switch for the rear
Press the button on the driver's door if children are being transported in the rear. This locks various functions so that they cannot be operated from the rear: safety switch. ...