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[QUOTE=ColdList;13506928 In Europe, a dyno run will void your warranty on the F10 M5. Not sure I would press my luck further in the US.
Do NOT allow anyone to try and hack your F10 ECU(s). Cannot be done. This is not an E60 any longer.[/QUOTE]
I have no experience with dyno runs, but saying that BMW will void your warranty if the M5 is run on a dyno seems odd. Who at BMW has told you this? Can any of the European owners chime in to say their dealer has advised them that this is true? How can BMW tell that your engine has done pulls on a dyno?
From what I've read I do believe that BMW has put more tamper protection into the DMEs and it will be more difficult to modify them. But, you know it will be done eventually, and isn't the tune you are running proof of that? Hoping to learn from your more informed experience, thanks.
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