These .BR4 files are encrypted backup files and appear to be used in the internal hard-drives of the new BMW 3-series.
Other .BR4 file extensions
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sk
2009-08-10 03:03:58
#1
A copy of song was copied from BMW car thru thumb drive. When copies to computer, the WMA player failed to play the song. It was observed that the file type is BR4. Why should I do to play the song copied from the car.
