Software update
The vehicle supports various external devices, depending on the software it is currently using. A software update can enable the vehicle to support new mobile phones or new external devices, for example.
Software updates and associated, up-to-date instructions are available on the web page www.bmwusa.com/update.
Displaying current versionThe currently installed software is displayed.
1. "Settings"
2. "Software update"
3. "Show current version"
Select the desired versionto display additional information.
Updating software by USBThe software update can only be performed when stopped.
1. Save the file for the software update in the main directory of a USB
data storage device.
2. Connect the USB data storage device to the USB interface of the USB audio
interface in the center armrest. It is not possible to perform the update using
the USB interface in the glove compartment.
3. "Settings"
4. "Software update"
5. "Update software"

6. "USB" if applicable
7. "Start update"
8. "OK"
All of the listed software updates are installed.
Restoring to previous versionIf necessary, it is possible to restore the system to the software version prior to the last software update.
Restoring to the previous version can only be performed when stopped.
1. "Settings"
2. "Software update"
3. "Restore previous version"
4. Click "OK" twice.
All of the listed software updates are removed.
NoteBMW Assist, Office functions, and connected devices may be temporarily unavailable during a software update or while restoring to the previous version. Wait a few minutes until the functions are available once more.
See also:
Interrupting the system
Press the lever up or down, arrow 3: display 1 in
the speedometer changes color
In addition, the system is interrupted:
▷ When the brakes are applied.
▷ When the transmission position ...
Under the Hood
The 640i is powered by a 315-horsepower, turbocharged 3.0-liter six-cylinder
engine. Its peak torque rating is 332 pounds-feet. BMW cites a zero to 60 mph
time of 5.5 seconds for both the coupe an ...
Requirements
▷ BMW Assist is activated.
If BMW Assist is not activated, a mobile
phone that has been recommended by
BMW for TeleService and that is configured
for mobile data communication must be
c ...
