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. ...

The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels. ...

BMW X6: cargo cover
BMW X6: cargo cover Deploy cargo cover by pulling back. Do not deposit heavy objects Do not deposit heavy or hard objects on the cargo cover. Otherwise, they may present a danger to occupan ...