Service requirements
See also:
Switching the microphone to mute
When a call is active, the microphone can be
muted.
1. "Telephone".
2. "Active calls".
3. "Microphone mute"
A microphone that has been switched to mute
is automa ...
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 ...
Actions in the event of a flat tire
Normal tires
1. Identify the damaged tire.
Do this by checking the air pressure in all
four tires.
If the tire inflation pressure in all four tires is
correct, the Tire Pressure Monitor may no ...
