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 ...

Activating/deactivating via iDrive
1. "Settings" 2. "Lighting" 3. "High beam assistant" High beam assistant The setting is stored for the remote control currently in use. ...

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. ...