Guide to unlock BMW F-series used smart remote key with Yanhua CKM100 car key master. Device needed: working key Yanhua CKM100 or Digimaster III/Digimaster 3 DR Key adapter to reset/unlock Reset/Unlock BMW F-series smart key card: Update CKM100 to the latest version. Select Programmer function Choose Key Data Reset Select car brand: BMW Select BMW F-series…