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  #1  
Old 08-20-2007, 01:58 AM
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Air pressure on 22" wheels

Hi there. I have a set of 22" Asanti wheels on my X5 right now and they look low. I have them set at 35psi on all four tires but not sure if that is the correct pressure. What do you guys have them set at? I also might be selling these but not sure. Just trying to figure out before my tires wear out unevenly.

Thanks.
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  #2  
Old 08-20-2007, 03:30 PM
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Any one know about this? Any input would be greatly appreciated.

Thanks.
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  #3  
Old 08-20-2007, 04:08 PM
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Your manual and the door sticker will show various
suggested air pressure readings, for different size
wheel/tire combos, under different loads.

22s are not standard on any X5, but imo, 32 lbs
is a good starting point, to 35 psi if you like a little
stiffer ride.

If you polled here, most would report running 32-35 lbs.
I've run more than 35, in the rear, fully loaded to the
gunwales, but not rec'd.

Uneven tire wear is usually another symptom if your
tires are properly inflated...
GL,mD
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Old 08-21-2007, 01:07 AM
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Thank you for the input. Anyone else that has 22's? I would like to see what everyone is running. Thanks again to everyone.
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Old 08-21-2007, 03:11 AM
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I since 22''s typically have such low sidewall, I run them a little higher than my oem 17's. I typically set pressure to be about 33-34 psi.
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  #6  
Old 08-21-2007, 07:05 AM
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Hi, I'm running 22'' kahn's with 295/30/ZR/22/103W, and as a rule of thumb,increase your tyre pressure 2psi for every 1'' increase in diameter,
(32psi for standard 19'' = 38psi for 22'').......
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Old 08-21-2007, 12:59 PM
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So, would you set the 22"s to 33-34 or is that the number for the 17"s?

Thanks.

Quote:
Originally Posted by DipnX5
I since 22''s typically have such low sidewall, I run them a little higher than my oem 17's. I typically set pressure to be about 33-34 psi.
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Old 08-21-2007, 01:56 PM
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Additional expert advice can be found by asking one of our sponsers. http://www.tirerack.com/index.jsp
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Old 08-21-2007, 02:45 PM
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2psi for every 1'' increase is only a general guide,I was told this by my tyre fitter,it's a good starting point and you won't go far wrong,
I increased from 19'' to 22'' and run with 37-38psi all round..
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Old 08-21-2007, 02:55 PM
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Great to know. Thanks.

Quote:
Originally Posted by Trev.G
2psi for every 1'' increase is only a general guide,I was told this by my tyre fitter,it's a good starting point and you won't go far wrong,
I increased from 19'' to 22'' and run with 37-38psi all round..
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