I just ordered them from Max BMW. The RT has some socket head cap screws filling the threaded holes the covers will use. Just take them out and mount the guards using the longer supplied bolts. I was going to go for the Touratech guards, but i though the BMW ones looked better. And they aren't that much difference in price.
SET, VALVE COVER GUARDS, ALUMINUM (for a 2005-2009 GSA), PN# 71 60 7 658 636, $246.95
Touratech Cylinder Head Guards: http://www.touratech-usa.com/Store/P...-RT-up-to-2009