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    BMW X3M ECU Software Upgrade (Includes ECU Unlock)

    Vehicle Application: 2020+ BMW X3M

    Stock Power: 503hp

    Tuned Power: 650hp

    Note: This purchase is for AMR Performance ECU software and will require a scheduled appointment at AMR HQ or the ECU to be shipped in.

     

    ***Due to the nature of this product, it is non refundable. All sales are final***

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