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 successully.
Now the key can be used again.
