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      09-05-2013, 09:28 PM   #84
Bimmer-Bob
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Drives: 2010 128i
Join Date: Feb 2010
Location: Anacortes, WA

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Quote:
Originally Posted by bimmer Don
With the center chucking is telling me you have too much air in it. I track my pss and autocross them and the only time I seen wear like that was when it got over 40 psi. I found I was getting the best wear at 38 hot in the front and 36 rear it wore even with the little michelin man on the side. This is with stock m sport suspension and stock camber. I getting more wear on the outside but not pass the little michelin man. Never chunked a pss with pressures 36-38 hot. Only when I got at 41 psi.
Absolutely I was running pressures that were too high, on the advice of others who warned me about excessive rollover due to the soft sidewall. I was starting around 37 cold, but wasn't bleeding off any air in between runs, so who knows how high they got (talking AX, not track). More recently I've been shooting for 38-40 hot, but the tires are already toast.
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