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.

    See also:

    Exterior
    With standard visual cues that come only with the 128i's optional M Sport Package, the 135i has an aggressive front bumper with three large air inlets. Xenon headlights are standard, and they carr ...

    Around the steering wheel: controls and displays
    1. Convertible: opening and closing windows jointly 2. Convertible: opening and closing rear windows 3.Opening and closing front windows 4.Folding exterior mirrors in and out 5.Adjusting exter ...

    Twin-scroll turbocharging
    The new four-cylinder engines also feature twin-scroll turbocharging. This means that the exhaust stream from cylinders 1 and 4, and the exhaust stream from cylinders 2 and 3, follow separate spir ...