Tutorial: how to unlock BMW CAS3++ istap PCF7935 remote key with Launch X431 IMMO Plus / IMMO Elite . Procedure: Go to IMMO- BMW latest software – Anti-theft key matching- Anti-theft key matching- CAS3/CAS3+ IMMO- Key Operation Read key status. Put the key to the X-prog3 coil. The current key has been locked. Go back to CAS3 key operation menu. Select Key Unlock. Put the key to be unlocked into the X-prog3 programmer. Click OK to load a copy of key data file. Unlock key successfully. Now the key can be used again. http://www.key-programmer.org/2025/09/23/unlock-bmw-cas3-istap-key-with-launch-x431-immo-plus/
Launch X431 Pro Mini, Pro, Pros V, V+, PAD V, PAD VII Full System Diagnostic Tool User Manual, Vehicle List, Registration, Upgrade and Review