Mail us the .ori that you have read from the ECU and we will mail you back the .mod
Also you can post us the ECU and we will return it back in one day
This specific method appeals to companies that we co-operate, at 1st Stage tuning only
In addition appeals to engines that we have done and know.
For custom tuning by mail, you must have the properly data loggers.
For Big Turbo conversions and Full race NA engines we need the car under Revlimit.