Hartge BMW M5  

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  • BMW M5 and M6 by Hartge with 642 HP
    In BMW M5, on January 23rd, 2013

    German tuner Hartge introduces a power package for the new F10 BMW M5 and M6 Coupe. The German aftermarket specialists take the standard S63Tu 4.4 liter twin-turbo V8 engine and increase its power output 550 horsepower to 642, and torque … Continue reading