See also:

The concept
BMW X5 BMW X5 ▷ During normal brake application, the outer brake lamps light up. ▷ During heavy brake application, the inner brake lamps light up in addition. BMW X6 BMW X6 & ...

Opening and closing: from the inside
Opening and closing: from the inside ...

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. ...