See also:

Comfort seat
The distance from the back of the seat occupant's head can be adjusted using the shoulder support. Adjusting side extensions   Adjusting side extensions You can fold the side extensions ...

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. ...

Before mounting
If the rear seat backrests are adjustable: Before mounting child restraint fixing systems, return all of the rear seat backrests to the basic position. ...