Center armrest
Storage compartment
The center armrest between the front seats contains a credit card holder and, depending on the equipment version, a compartment or a snap-in adapter.

Opening
Press the button, see arrow.
Connection for external audio deviceYou can connect an external audio device such as a CD or MP3 player and play audio tracks over the car's loudspeaker system:
> AUX-IN port,
> USB audio interface/additional connection of the music player in the mobile
phone,
See also:
Removing: Electrical* head restraints
Note
Do not remove the rear head restraints.
To avoid damage, they can only be installed by
your service center.
Removing
Only remove the head restraint if no one will be
sitting in the seat ...
Putting into operation after a power failure
Putting the parking brake into operation
The parking brake should only be put into
operation again if it was manually released due
to an interruption in the supply of electrical
power. Otherw ...
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 ...
