1:Read out the old ecu all part like flash and EPROMs
2: Readout the new target ecu flash and EPROMs
3: use the tool box
4: use the clone server
5: select the ecu what you want to clone , read the help
6: Start clone it (normally use flash ), save as new file
7: Write back the new cloned file flash to target new ecu, write the old ecu EPROMs to new ecu too
8: Work done and test it.