Now both the front and rear are complete.
Link for parts list for front bumper:
http://f10.5post.com/forums/showthread.php?t=806000
Here's the parts list for the rear:
Bumper trim panel, rear, M (part must be identical to) 51128048593
Cover, bumper, rear M DARKSHADOW 51127906283 (commonly called diffuser)
Guide, bottom center M 51127906845
Guide, center rear M 51127906292
Reflector, rear left 63147842955
Reflector, rear right 63147842956
Cover, tow fitting, rear, 51127240133