Adaptive brake assistant

In combination with the Active Cruise Control, this system ensures that the brakes respond even more rapidly when braking in critical situations.

Refer also to Collision warning

    See also:

    Children on the front passenger seat
    Should it ever be necessary to use a child restraint fixing system in the front passenger seat, make sure that the front, knee and side airbags on the front passenger side are deactivated. Autom ...

    Additional functions
    General information Activate the functions before pairing to be able to use them in the vehicle. Information on suitable mobile phones, that support these functions. Additional telephone A mo ...

    Performance
    For 2009, there's just one engine: a 3.0-liter six-cylinder that's good for 260 horsepower. It teams with either a six-speed manual or a six-speed automatic transmission. All X3s have all-wheel dr ...