Car Code Reader ECU Chip Turning BDM 100 , Auto ECU Programmer BDM 100 is a universal reader/programmer (it does not require our RACE software necessarily) that allows the user to read and program files in the ECU supplied with MOTOROLA MPC5xx processor (essential). BDM 100 requires the ECU to be open, "on the bench", as the reading/programming operations are realized by linking a flat cable to specific area the ECU (the tool, on the other side,