Updating the navigation data

General information

Navigation data are stored in the vehicle and can be updated.

Current navigation data and the authorization code are available from your service center.

▷ Depending on the data volume, a data update may take several hours.

▷ Update during the trip to preserve battery.

▷ During the update, only the basic functions of the navigation system are available.

▷ The status of the update can be viewed.

▷ The system restarts after the update.

▷ Remove the data carrier with the navigation data after the update.

Performing an update

1. Insert the navigation DVD into the DVD player with the labeled side facing up.

2. Follow the instructions on the Control Display.

3. Enter the navigation DVD authorization code.

4. Change the DVD, if necessary.

After interrupting your trip, follow the instructions on the Control Display.

Viewing the status

1. 2. "Navigation update" Press the button.

2. "Navigation update"

    See also:

    Brake assistant
    When you apply the brakes rapidly, this system automatically produces the maximum braking force boost. It thus helps to achieve the shortest possible braking distance during full braking. This ...

    Tire size
    Example: 255/55 R 19 107 V 255: nominal width in mm 55: aspect ratio in % R: radial tire code 19: rim diameter in inches 107: load rating, not for ZR tires V: speed rating, before the R on ZR ti ...

    Interior
    The 128i's interior design is fairly traditional, with more upright shapes than sweeping contours. Dual-zone climate controls sit below the center air vents and optional navigation system, with BM ...