Adjusting the volume
1. "CD/Multimedia", "Radio" or "Settings".
2. "Tone".
3. "Volume settings".
4. Select the desired volume setting.

5. To adjust: turn the controller.
6. To store: press the controller.
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 ...
Switching the wipers on/off and briefwipe
Do not switch on the wipers if frozen
Do not switch on the wipers if they are frozen
onto the windshield; otherwise, the wiper
blades and the windshield wiper motor may be
damaged.◄
Switch ...
The concept
The system does not measure the actual inflation
pressure in the tires.
It detects a pressure loss in a tire by comparing
the rotational speeds of the individual wheels
while moving.
In the ev ...
