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      07-08-2009, 04:49 AM   #2
E90M3CDFR
First Lieutenant
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Drives: E91 Sportwagon
Join Date: Sep 2008
Location: NoVA

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Backup of MP3 to USB: File format

It is a copyright protection scheme. The files created by the backup routine are meant only for restoring back to the HDD (and probably keyed to your car in particular). I suppose they are concerned that you might use the DVD drive to rip CDs and then copy them over to a USB stick.

There is also a SIB/bulletin from BMW that prohibits service personnel from doing a back up of the MP3 colleciton for you, in case they were about to erase/replace the HDD. Again, mainly to prevent copyright infringement issues.

So its useful to do a back-up any time you expect the hard drive/CIC to be serviced, in case they nuke the contents for you.