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      03-17-2013, 11:01 AM   #4
Da M3nace
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Drives: 08 M3E90
Join Date: Feb 2012
Location: New York

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Originally Posted by Trip3's
I just got a new set of tires and wheels and I'm not sure what pressure to set the tires at(previous owner didn't know). The tires are 255/35 on 9.5x19 and 305/30 on 11x19.
The recommended pressure set by factory would be the same regardless of tire or size used. Thats why its pressure per square inch. Not quantity of air used. Check your door. Sticker on edge shows recommended psi, which is about 35 for our cars if i remember correctly.