Hey I just PM'd you back, sorry for the lag. Glad to see you go it figured out. Those damn bottom screws can be a pain if they drop into the bumper which I've done before.
2009 AW 535i
-Sport, Premium Package, and Comfort Access
-FBO, custom Cobb E30 map, 20" Forgestar F14 Black Gloss, KW V2 CO's