They are very qualified masters of their craft, they know their job and do it perfectly.
I was at autotuning which is near the airport, the prices are three times expensive. The work that is done for 15-20 minutes, they say an hour or two. The diagnosis of the motor is free of charge, in autotuning it costs 100 thousand. In short, autotuning is a place for those who have extra money and time. And the official dealer of lucky Molly, well done, delighted with the work!