See also:

Backrest width
Change the width of the backrest using the side wings to adjust the lateral support. To make it easier to enter and exit the vehicle, the backrest width temporarily opens fully. ...

Tire age
The tire manufacturing date is contained in the tire identification mark: DOT ... 3410 means that the tire was manufactured in the week 34 of 2010. BMW recommends that you replace all tires aft ...

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. ...