German tuner produces wide body kit that takes the look of the M3 E92 close to that of an M3 GT2.
(http://imgs.blackfalconmedia.com/2010/11/17/medium/129330588990148358.jpg)
German tuner Prior Design has a wide body kit for the BMW M3 E92 that it claims comes close to reproducing the look of the M3 GT2.
BMW M3 E92 Widebody by Prior Design (http://feeds.worldcarfans.com/~r/worldcarfans/Jxfz/~3/8eCmFsWPkwI/bmw-m3-e92-widebody-by-prior-design)