Close the windows and glasssunroof

Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.

    See also:

    Windshield washer nozzles
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    General information
    BMW Assist provides you with certain services, e.g., transmission of the position data of your vehicle to the BMW Assist Response Center if an Emergency Request* has been initiated. Many BMW As ...

    Ride & Handling
    One of my lasting memories of the prior-generation X3 was its extremely firm ride, which led to a choppy driving experience on rough roads. It was disappointing, to say the least, because BMWs oft ...