Day: June 29, 2021

 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 need to…

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