Quote:
Originally Posted by Spydeputy
do you copy this and install thru the USB ?
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Make sure the USB drive is formatted as FAT16 or FAT32, copy the update file to the root of the drive (not in a directory). Plug the drive into the armrest USB. From your iDrive menu browse to Settings > Software update > Update software. Wait a few seconds if you don't see anything, a prompt to update the system software should come up.