I just purchased a new 2013 R1200RT and the Schuberth C3 with the Schuberth Bluetooth. Little did I know, or the dealer apparently, that this configuration does not work with the R1200RT audio system.
Yes that is a bummer. I was hoping the Schuberth SRC worked with the RT audio system to make the whole process easier. I did lots of research and the dealer verified my findings and ordered the BMW ACN Comm Kit part number 71602219827. Schuberth charged $60.00 to install it in my helmet and covered my shipping from California to Michigan.
I just picked it up today. I will report back in once I test it out.