If you have a windows pc I don't see why you would run a virtual machine
since it slows things down and the two levels of interfacing makes everything
more difficult.
Is the 7z a zipped file ? Did you try opening those files in a txt editor like note.
If it's a 7z file you have to unzip it.
Ista + does e90's it just does the other newer cars to .
at least the bimmergeeks old Ista + download does.
Ista problems
https://www.e90post.com/forums/showthread.php?t=1581663
https://www.e90post.com/forums/showt...6#post27170176