[320ed]

Copying the CID of a "working" card to a card with later maps was tested on a German forum. One guy said it worked but everyone else tried it to no avail.

That's right, copying the contents of the map and with the correct CID is working smoothly only with the same vehicle, it does not mean that it will work with other vehicles, this sd card with the map they are copying must be activated otherwise it will not be recognized

Thanks for coment!
So if I understand you right - when I take out the original SD-Card from my friend's A1, read CID and copy it on EVO it will work with newer map data in his car, right?

That would be great! I will give a try & report. Danke schön!