Thanks Evan, though I think that's BMW's old party line... Apparently they make a safe wax, paint cleaner, etc now for the matte finishes. I see it online at BMW USA, but it just says buy from your local dealer. No prices displayed.
'13 Individual Frozen Brilliant White ///M3 Coupe
Ordered 2/15/12 | Euro Delivery on 9/21/12 | U.S. Redelivery on 12/6/12 | Motor Dead on 7/15/13
'13 Space Gray/Mugello Red X5///M
Pavement Punisher | Snow Muncher | Family and Board Hauler | Roadtripper