How to use Hextag to repair CAS corruption?
Sometimes BMW CAS3+ eeprom data is corrupted after bad reflash/downgrading and there is no communication with it and no ignition on car. Many devices will kill CAS3+ when downgrading via OBD, Xhorse VVDI2, Yanhua ACDP, IM608, AVDI even Autohex II without a sufficient power supply. If done via obd, 14.2 always with maintainer. If data is corrupted, no […]Posted on June 29, 2021