See also:

Headlamp range control
With halogen headlamps, the headlamp range of the low beams can be manually adjusted for the vehicle load to avoid blinding oncoming traffic. The values following the slash apply to trailer oper ...

Remove attached parts following use
Remove unneeded auxiliary mirrors, roof or rear luggage racks after use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...

Vehicle storage
If your vehicle is to be decommissioned for longer than three months, your BMW center or a workshop that operates according to BMW specifications will be glad to advise you. ...