Firmware for Opel Insignia,
engine: 1.6 LET, petrol,
control unit: Bosch ME7. 6. 4 0261S08180,
software version: 1037511902,
in the firmware, the catalyst control is disabled (Euro 2) and chip tuning is made with an increase in power and torque by 18%. You can remove the connector from the lower oxygen sensor.