See also:

Active seat ventilation
Switching on Press the button once for each ventilation level. The highest level is active when three LEDs are lit. Switching off Press the button longer. The LEDs go out. ...

Airbags
The following airbags are located under the marked covers: 1.  Front airbags 2.  Coupe: head airbags 3.  Side airbags in the seat backrests 4.  Convertible: knee airbags Pro ...

BMW Maintenance System
The maintenance system directs you to required maintenance measures and thereby supports you in maintaining road safety and the operational reliability of the vehicle. ...