You need to edit the EDIABAS.INI file to match your cable. For most modern USB K+DCAN cables, you must set Interface = STD:OBD . Common Errors and Troubleshooting
This is where 6.4.3 differs from newer versions. You need a complete C:\EDIABAS\ECU\SGDAT folder with .prg and .ipo files. For 6.4.3, the ideal complement is (covering E46, E39, E38, E53, E60, E83, E85, E90). ediabas 6.4.3
– Raw hex dumps of K‑Line / ADS traffic for debugging You need to edit the EDIABAS
To harness the full power of 6.4.3, you need more than just the software. Here is the ultimate hardware/software stack: the ideal complement is (covering E46