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:
The concept
The iDrive combines the functions of a multitude
of switches. Thus, these functions can be operated
from a central location.
Using the iDrive during a trip
To avoid becoming distracted and po ...
Safety
Both the coupe and convertible have front airbags plus side-impact airbags
built into the front seats. As required of all 2012 models sold in the U.S., the
640i has standard antilock brakes and an ...
Fuel gauge
Fuel gauge
The vehicle inclination may cause the display to
vary.
Notes on refueling ...
