(Sorry but my English writing is better than German. Reading and understanding isn't a problem at all).
What is the difference between the 2 Nav-systems? You have the cheapper and more expensive systems. I know that the expensive one has more speakers and an amplifier, but is there a difference in the Nav-system itself?
I ordered my Touareg with the cheapest system, as I am not sure I won't have it changed by a different system.