Here are some posts that might have some info for you. But except for the post by scm6079 (quoted in the first one), I don't know how accurate the info is. In particular, I don't know where Killerfish2012 got his info about the 335is shutting down.
http://www.e90post.com/forums/showpo...&postcount=822
http://www.e90post.com/forums/showpo...&postcount=106