Not sure this is true, actually... Buddy of mine bought his X3 with sport package and 19" staggered wheels, etc. in 2008. It came with /M in noted places...
Originally Posted by James B
As far as I know--no U.S. X3 comes with any M badges even with the sport package. If you see one on an X3 it is owner added.
ED2010 - MY11 328i SpaceGray/ChestnutBrwn, Premium, 6MT 05/06/10, re-delivered 07/24/2010
2010 Audi A4 Quattro (wife's new ride)
ED2007 - MY07 328i SparklingGraphite/Blk, ZSP, 6MT, 6FL 06/01/07, re-delivered 07/23/07