The non-M OEMS are 19/8 and 19/9 (or 19/8.5) so using the stocks tires on the 19/8.5 and 19/9.5 rims will result in a stretched look on the wheel with the edge of the wheel exposed.
For other tire sizes for 19's, see
http://www.e90post.com/forums/showthread.php?t=265710 or search the forum