Operating concept
Various functions can be called up by pressing the control button with a pointed object, such as the tip of a ballpoint pen or similar object. The following setting options are displayed in succession, depending on how long the control button is pressed:
▷ Pressed briefly: turns display on/off.
▷ 3 to 6 seconds: compass zone setting.
▷ 6 to 9 seconds: compass calibration.
▷ 9 to 12 seconds: left/right-hand steering setting.
▷ 12 to 15 seconds: language setting.
See also:
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 ...
Controls
1 Control Display
2 Controller with buttons
The buttons can be used to open the menus
directly. The controller can be used to select
menu items and create the settings. ...
Deleting all stored programs
Press both outer memory buttons 1 for approx.
20 seconds until the LED flashes rapidly.
All stored programs are deleted.
The programs cannot be deleted individually. ...