certainly do not want to know your own business, and I'm sorry for your situation,I asked you for trying to understand who I'm talking about.
if a ferrari engineer or an enthusiast, and from your answer I understand that I am talking with a person who is sar? a very good mechanic, but tuning knows nothing about it
how can you say that the tools alientech kess and ktag they suck when you don't even have one???you can't, there is no
ask any coach and professional and they will tell you that they are excellent tools.
you are not able to judge in a real way, one thing that you do not own.
I'm sorry