See also:

Remove attached parts following use
Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...

Long-term vehicle storage
Your service center can advise you on what to consider when storing the vehicle for longer than three months. ...

Rear
BMW X5 BMW X5 Unlock the center armrest with the button in the lower section of the opening and fold down. Unlock the center armrest Press the button; the cover folds forward. With 3rd row ...