You may find some answers here (not sure since I didn't read all of it, but I saw some pricing):
http://www.e90post.com/forums/showthread.php?t=426968
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2022 i4 M50, Dravit Grey. fully loaded minus the carbon fiber bits and 20" wheel package
2007 E92 335i, 6MT, Sparking Graphite, ZPP, ZSP, Nav, Logic7 (Sold)