Doesn't look like the E60 forum is frequented much, but here's the link to my FS post over on e90post. Someone is going to get a great deal, wanting it to be an enthusiast - I'm sure it'll sell quickly when posted on Facebook and Craigslist.
2010 N54 535i M Sport Package - 80k Miles!
https://www.e90post.com/forums/showthread.php?t=1935145