Lumbar support
The curvature of the seat backrest can be adjusted in such a way that it supports the lumbar region of the spine. The lower back and the spine are supported for upright posture.
▷ Press the front/rear section
of
the switch.
The curvature is increased/
decreased.
▷ Press the upper/lower section
of the switch.
The curvature is shifted up/
down.
See also:
Snow chains
Only certain fine-link snow chains have been tested by BMW, classified as safe
for use and recommended. Consult your BMW center for more information. Snow chains
must be mounted in pairs and on th ...
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 ...
Roadside Assistance
At a glanceBMW Roadside Assistancecan be contacted if assistance is needed in the
event of a breakdown.
Contact with BMW Roadside Assistancecan also be established using a Check
Control message.
...