How to add BMW CAS3+ key with Launch X431 IMMO Elite

Add BMW CAS3+ key with Launch X431 IMMO Elite

Launch X431 IMMO Elite, as a key programming tool, is naturally necessary to support BMW CAS3/CAS3+/CAS4 functions. This article takes BMW CAS3+ key as an example to show how to add a new key with the X431 IMMO Elite tool (the operation process is also applicable to for X431 IMMO Plus).

Launch X431 IMMO Elite add BMW CAS3+ key via OBD, divided into two steps: backup key data, and then learn the key.

 

Step1. Backup Key Data

IMMO >> BMW

Connect diagnostic connector and X431 IMMO Elite at the same time.

Click “OK”.

 

Anti-theft key matching >> CAS3/CAS3+ IMMO >> Key operation >> Key data operation >> Backup key data

 

Use the function to backup CAS key data.

Remark: It is suggested that the CAS original key data should be backed up with the function before key learning.

Reading key data…

Reading RAM data…

Take the key out from the ignition switch!

If the key is a smart one, please put it outside the vehicle.

Click “OK” directly if there is no key in the ignition switch.

Backup >> Save key data file.

Key information backup successfully!

Add BMW CAS3+ key with Launch X431 IMMO Elite

Add BMW CAS3+ key with Launch X431 IMMO Elite

Add BMW CAS3+ key with Launch X431 IMMO Elite

Add BMW CAS3+ key with Launch X431 IMMO Elite

Add BMW CAS3+ key with Launch X431 IMMO Elite

 

Step2. Learn Key

Click “Key learning”.

The current CAS type is an encrypted version. Are all keys lost? No

Please insert a working key into the ignition switch and press Start button!

 

Take the key out from the ignition switch!

If the key is a smart one, please put it outside the vehicle.

Click “OK” directly if there is no key in the ignition switch.

 

Key data read successfully.

Whether to save key data? No

Select an blank key position: Key 8 >> Key generated by programmer

Please put the new key to be learned into the X-PROG 3 programmer!

Is the current key a smart one? No

 

Dealer key is generated successfully.

Please try to start the vehicle.

If the newly generated key cannot start the vehicle, please execute DME synchronization or DLE synchronization function according to the situation.

Add BMW CAS3+ key with Launch X431 IMMO Elite

Add BMW CAS3+ key with Launch X431 IMMO Elite

Add BMW CAS3+ key with Launch X431 IMMO Elite

Add BMW CAS3+ key with Launch X431 IMMO Elite

 

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