Unlocking and opening
▷ 
Press the button. The doors
are unlocked.
To open, pull the door handle above the armrest.
▷ Pull the door handle above the armrest twice: the door is unlocked the first time and opened the second time.
See also:
Interior and exterior mirrors, automatic dimming feature
Interior and exterior mirrors, automatic
dimming feature
Two photocells are used for control:
▷ In the mirror glass, see arrow.
▷ On the back of the mirror.
For proper operation:
...
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. ...
The Inside
The X3's redesigned interior continues the sparse, minimalistic design
approach that BMW favors, but it does a better job of integrating the center
screen, which serves as the display for the stan ...