Avoid high engine speeds

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

    See also:

    Interior rearview mirror
    Reducing the blinding effect From behind when driving at night: turn the knob. ...

    BMW X3 iDrive Owners Manual
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    At a glance
    These overviews of buttons, switches and displays are intended to familiarize you with your vehicle. You will also become quickly acquainted with the available control concepts and options. ...