Notes

> Reception may not be available in some situations, such as under certain environmental or topographic conditions. The satellite radio cannot influence this.
> The signal may not be available in tunnels or underground garages, next to tall buildings or near trees, mountains or other powerful sources of radio interference.

    See also:

    HD Radio™ reception
    Many stations broadcast both analog and digital signals. License conditions HD Radio™ technology manufactured under license from iBiquity Digital Corp. U. S. and Foreign Patents. HD Radio™ an ...

    For Canadian customers
    Canadian customers who wish to report a safety-related defect to Transport Canada, Defect Investigations and Recalls, may telephone the toll-free hotline 1-800-333-0510. You can also obtain other ...

    Safety
    Both the coupe and convertible have front airbags plus side-impact airbags built into the front seats. As required of all 2012 models sold in the U.S., the 640i has standard antilock brakes and an ...