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2013 M5 vibration on hard acceleration
Hi Guys,
So since I bought my M5 I have noticed a vibration on hard acceleration around 150kmh, I have tried balancing the mags as well as replacing all tyres. I recently dynoed the car and the vibration was worsened 20x, so much so that the dyno technician decided not to take it past 5000rpms.
In any other conditions the car is perfect with no vibrations whatsoever, I am completely lost at what the issue can be, I have visually inspected the guibo and all seems fine.
Any suggestions?
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