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      07-07-2018, 06:42 AM   #65
byroncheung
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United_States
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Drives: e90 m3, 997.2 c2s, x166 GL450
Join Date: Nov 2014
Location: Westchester, NY

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Well I spent a long time taking off the wheels, cleaned the hubs, the wheels mounting surfaces, the spacers and still vibrate over 70mph... guess have to check the wheel balance next? If it is indeed the wheel balancing problem, it is so interesting before spacers it was butter smooth, putting the 12.5 spacers can really highlight it so much...?
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