Yes you are right. I changed my MK111 to MKVI and can listen to any station without losing TMC as they have 2 receivers.

I've just updated to V27.1 from a link on xoutpost.com today, now all I need is the 2006-2 Map. Anyone know if this can be downloaded or must I buy from BMW or EBay. From the comments I've read on this site, it seems the Ebay route can be problematicle!