Launch X431 IMMO Plus Unlock BMW CAS3 PCF7945 Remote Key

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

Launch X431 IMMO Plus Unlock BMW CAS3 PCF7945 Remote Key 2

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Read key status.

Put the key to the X-prog3 coil.

The current key has been locked.

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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/

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