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:

    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 ...

    First aid kit
    The first aid kit is located in a storage compartment on the right side in the cargo area. Some of the articles contained in the first aid pouch have a limited service life. Check the expiration ...

    What to do if…
    For information on suitable mobile phones. > Appointments, tasks, notes, texts, or emailsfrom the mobile phone are not displayed? The mobile phone is not suitable for the missing function or is ...