Low beams
Switch position 
with the
ignition switched
on: the low beams light up.
See also:
Arming and disarming the alarm
system
General information
When you lock or unlock the vehicle, either with
the remote control or at the door lock*, the alarm
system is armed or disarmed at the same time.
Door lock and armed alarm sy ...
One lever for all functions
One lever for all functions
1 Storing and increasing the desired
speed
2 Storing and red
3 Interrupting or deactivating the
system
4 Retrieving the stored desired speed and distance or driv ...
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 ...