The E90 sedans are the same as 2009 and 2010. The E92 (coupe) & E93 (convertible) only have different (LED) tail lights. Front end of both cars is the same. It's possible the standard wheels are different. Order a 2011 and be happy.
See this thread form more info: http://www.m3post.com/forums/showthread.php?t=348279