Fixed it, turns out there are 2 sets of 7digit/letter codes on the injector! Confusing Germans

the top by the line is the one to use
A cheap usb endoscope came in handy to get the codes by the injector nut.
The smooth running control is tucked inside troubleshooting, not very intuitive if you were used to vag com
I know inpa is more basic like vag com, buy I could never get the ecu script to work... Dde73n57c0 gives me errors... Maybe is windows 10 fault