Hi all. Am trying to programme a new key for bmw f10 all key lost. Cas4. Where can I get the secrete cas file to programme the new key. And do I need 12v power for the hextag???. Thanks
you can unlock CAS from cas firmware option OBD check if its asking for ISN or not. ISN is required only for CAS4+ models (2012+) . once you got secret file you can program key from key learning option 2. can check CAS4 or 4+ from key learning option.
2nd method is via D-flash/eeprom from hextag, you can read from the CAS on bench in hextag and can proceed to key programming.
cas4 file selection.png
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