I retrofitted an RNS-E into my B6 S4, and I'm about to buy a VAG-COM to finish the job. Do I need to get the +CAN version in order to get the most out of the RNS-E or is the Dual-K interface going to do it all?
Thanks guys. I was also considering getting the +CAN version in case of future need, but right now I cannot justify paying the extra $100. Looks like Ross-Tech offers an upgrade for $179 up the CAN version, which I might do down the road if my next car is also an Audi.