I received the tune from OpenFlash in mid October of this year. I uploaded it to the car 12/22. I have read other posts where they talk about the car "getting used" to the tune over a period of time or miles. I haven't noticed any discernible difference between then and now.
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2014 M5 - Azurite Black Metallic
Cashmere Beige and Black Interior
Carbon Ceramic Brakes
BMW Factory Racing Steering Wheel
OpenFlash Stage One
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