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      09-12-2013, 03:26 PM   #92
bimmer Don
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Drives: 2012 135i m sport
Join Date: Sep 2012
Location: san berdardino

iTrader: (1)

Yes but you bleed off After every run on auto x. By the 3 run the pressure don't really raise anymore. If you start you pressures In auto x 8-10 psi lower like you do at the track you will burn the edges off on the first run. Your first run in auto x is pretty much a throw away run just to get heat in tires.
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