BMW CAS4 / CAS4+ remote key programming using VVDI2 by OBD

Car model: BMW 730LD CAS4, CAS4+

 

Purpose: Reading and programming, until the key can start the car successfully and remote programming successfully.

 

Using tools:

Xhorse VVDI2 V6.6.1 + OBD cable

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Procedure:

Click on “BMW” in the VVDI2 Installer Version: V6.6.1

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Connecting to device, please wait…

Click on “Connect”.

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Key learn -> CAS Key Learn -> CAS4/CAS4+ -F series

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Connected. Start transfer/receive…

Now reading key info…

Click on “Get Key Info”, then “OK”.

Attention: Prepare dealer key and reset KM require unlock CAS4, enable key and disable key no need unlock CAS4.

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Click on “Unlock CAS4/CAS4+”, then “Yes” to continue to save the data.

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In several seconds, CAS4/CAS4+ unlock success. You can make dealer key or reset KM via OBDII.

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Click on “Prepare dealer key with programmer”.

Attention “Please choose the key position where you want to do the operation”.

Choose Key8.

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Tick off ” Have a working key. Switch ON ignition with working key and continue”, click on “Next”.

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Please record the following information…

CAS4/CAS4+ security key:…

DME/CAS security key…

Key/CAS security key …

ECU ISN…

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Read attention 1 to attention3…

Click on “Yes” if you have one working key, click on “No” if you have no one working key.

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Input original key (Support disable key) to VVDI2 programmer and press OK.

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Please put a new key into VVDI2 programmer.

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Make key complete.

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Car Start successfully.

Remote programming successfully.

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For your information:

Question: For CAS4/CAS4+ all keys lost, do we still need ISN from ECU or does the new update not require it after unlocking the CAS ?

Answer: yes , it does need isn , if all key lost , you need to get the isn from ecu.