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:
Multi-channel playback,
surround
Setting multi-channel playback,
surround
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
3. "Surround"
Surround
When surround is activate ...
Under the Hood
The 528i has a 240-horsepower, 3.0-liter six-cylinder, while the 535i gets a
300-hp, turbocharged 3.0-liter six-cylinder. The 550i has a twin-turbo,
4.4-liter V-8 that makes 400 hp. All three use ...
Parts and Accessories
For your own safety, use genuine parts and accessories
approved by BMW. When you purchase
accessories tested and approved by
BMW and Genuine BMW Parts, you simultaneously
acquire the assurance ...