[bossix]

Unfortunately I can't find the link to the original post. It's not my writeup so I don't know if it's Ok to post it here. If it's not against forum rules I will post it.

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Here's how to replace the HDD with a larger one. This DIY does not cover the part on how to extend the partitions. That's separate and I can't find the original link to it. Still waiting for confirmation if it's OK to post it or not as it is not my work.
http://www.bimmerfest.com/forums/showthr...p?t=841458
EDIT
After some extensive research I could fiind the original posting on how to extend the partitions. It's in german but there are enough images to figure out how everything works.
http://www.e60-forum.de/thread.php?postid=497535
I guess the largest partition on the HDD is the one with the maps so extending that one would make place for both versions to be installed. What do you think?