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      11-26-2021, 01:40 PM   #4
CnSky
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Ireland
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Drives: BMW 530E 2017
Join Date: Aug 2013
Location: Ireland

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Mach550 any chance your running Michelin pilot sport 4S tyres?

If so then that's likely your issue as it was causing harmonic vibrations on my car.

I went up a side wall size as I see you planned on other threads and the PS4S caused vibrations on the motorway that rise and fall.
Appreciate 0