You'd need nearly negative offset levels to achieve mexiflush tier. 9.5 on ET22, if you run 255s, should get you to a little less than flush. Look around on the wheel/tires section of the e90post forums - I'm certain someone over there has thrown up some images of their car using that combination.
e90m / ssii / foxred / wedssport sa-55m 19x9.5 et24 square / kwv3 / 15mm rear spacer / no chrome
WHEELS FOR SALE