engine: CGYA 1.8 TSI petrol,
control unit: BOSCH MED17.5,
software version: 06J906026CS_4886 1037502016,
in the firmware, catalyst control is disabled (Euro 2) and chip tuning is done with an increase in power and torque by 18%. You can remove the connector from the lower oxygen sensor after the catalyst. The firmware in the PCM Flash to record at HBS.