Originally Posted by onnex
Hmm.. I've put the .bin and uncompressed version of it in the root of the drive without any luck of it being recognized. I've read through the doc but don't see any reference to specific files beyond the .bin? Also tried putting the .xml files there as well? I know I must be missing something obvious– you've made it sound pretty easy.
(Drives were also reformatted to MS-DOS (FAT))
It is easy... plug USB stick in, go to the iDrive screen "Software Update" and select it. Then wait.
It worked right away in my 2012 months ago.