The person that I know is using the software from 2 german and 1 italian company. He is buying the chips from BOSCH or the dealers itself. To prove he is using the G-Tech....well it is not dyno but still...also you get a 1 year warranty, he chipped about 300 cars not a single problem.
the choice is between Dyno tuning....more then 800evro...and the rest, which I don't think is worth more then 200evro...the difference comes from the living standards in Bulgaria and EU, and what people are willing to pay for it for a chip that cost about 3$ to make
p.s: they are many companies in Bulgaria offering chip-tuning but this is the one that I know myself.
I was in Athens last May, studing at ALBA university, in that southern part of Athens Volaigmeni or something...man a lot of crazy streetracers with Saxo and 106...are these cars with a rocket engine or what???
Alfa 147 QVD 300hp by BlackAngels, Alfa 159 2.4 QVD, Alfa 159 TI 1.9 QVD and Crosswagon edition Nero