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    APPRO2 Key Programmer Asks for Check Code?

    Illustration for APPRO2 Key Programmer Asks for Check Code?
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    Problem:

    When do BMW CAS4 mileage correction via OBD, the APPRO2 key programmer asks for a check code. Where can i get this code?

    APPRO2 Key Programmer Asks for Check Code?

    Solution:

    Send the random code to our customer service: WHATSAPP: +8618350207975.

    We will have APP2 engineer calculate the check code. It is free and very fast.

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