Hi Sarndip, yes on the 2009 A3 it is a VCDS mod, no wiring and no errors. I did have a problem on my car with the Headlights staying on but that might have been sorted now. Only way of knowing is to try!
Yes I can help you if you need it. Let me know and we could meet up.
Neil
Yes I can help you if you need it. Let me know and we could meet up.
Neil