Close the windows and glasssunroof

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

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    Avoid high engine speeds
    Driving at a low engine speed reduces fuel consumption and minimizes wear. ...

    Safety
    Standard safety features include antilock brakes, side curtain airbags, active head restraints for the front seats and an electronic stability system. For a full list of safety features, visit th ...

    BMW X6 M
    The X6 M steps up from the 400-hp, 4.4-liter V-8 to a twin-turbocharged version making 555 hp. Torque is rated at 500 pounds-feet. BMW says the zero to 60 mph time is 4.5 seconds. A six-speed auto ...