Originally Posted by M3tallicar
I think you're referring to "sakhir orange" on the M5/M6. Valencia Orange is available currently on the F20 1-series (currently on sale in Europe) and the X1 stateside (just picked up a VO X1 from Steve Thomas over the weekend).
As others have mentioned, give Steve Thomas a call, they ordered our Fire Orange E90 M3 for us and well versed with BMW Individual ordering.
+1 on this...they were a big help with my Fire Orange E92 as well!