Deleting Adblue or mapping adblue out indicates remapping/modifying ECU file by deleting adblue technique from it. This is completed by downloading/flashing initial ECU file using resources for example KESS or Dimsport and many others.. then modifying that file by deleting required maps and uploading it back in to the ECU. https://shahrukhx579zbd4.wikigiogio.com/user