Bmw Gasoline Bosch MEVD17.2.3 EGR CAT DTC. ECU firmware/calibration dump for professional tuning of a BMW gasoline vehicle with Bosch MEVD17.2.3. The listing specifies E2 / CAT and related oxygen-sensor OFF, EGR OFF and DTC OFF. Confirm ECU ID, software version and vehicle compatibility before flashing. An incorrect write can damage the ECU.