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  • ECU Tuning

    BMW M6 4.4L ECU Software Upgrade

    Vehicle Application: (2012-2018) BMW M6

    Horsepower Gains: +90-100hp

    Torque Gains: +140-150tq

    Note: This purchase will require the ECU to be shipped to AMR Performance HQ or an in house vehicle drop off appointment be scheduled.

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