Bmw Gasoline Siemens MSV70 CAT EGR EVAP DTC OFF. ECU firmware/calibration dump for professional tuning of a BMW gasoline vehicle with Siemens MSV70. The listing specifies E2 / CAT and related oxygen-sensor OFF, EGR OFF, EVAP-related functions and DTC OFF. Verify ECU ID, software version and vehicle compatibility before flashing; an incorrect write can damage the ECU.