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Old 02-23-2013, 11:05 AM
bherman bherman is offline
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tire pressure non run flat 06 325i

Running 205 55 R16s non RFTs...is the pressure the same?
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Old 02-23-2013, 11:55 AM
Wihelm G Wihelm G is offline
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Ask whoever installed them or email the manufacturer. It was me, I'd decide on a range, say 36psi through 45psi. Then I would think about the time of driving I do, the type of pavement, my particular style (hard braking, hard cornering, 90 year old man style or whatever). Then maybe order my priorities such as treadlife longevity, sidewall longevity, comfort, quiet, whatever. Then I would randomly select a pressure within my range and try it out. If I were OCD I might play with it for awhile until I had it dialed n to just so. But I ani't me, so I let my tire guy put whatever pressure he likes and if I happen to even notice I have tires, I just turn the radio louder.
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Old 02-23-2013, 12:10 PM
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Tom K. Tom K. is offline
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Start with the OEM recommended pressures. Then adjust up in small increments if necessary, depending on which tires you have (i.e. Conti DWS tends to benefit from an increase of about 2~3 psi to tighten up the handling feel without penalizing the ride.)

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Old 02-23-2013, 01:46 PM
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pointandgo pointandgo is offline
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Originally Posted by bherman View Post
Running 205 55 R16s non RFTs...is the pressure the same?
If the non-RF is the exact same size and load range, the air pressure is the same. RF tires do not have a different psi/load chart standard than non-RF tires (according to either U.S. standards - the TRA, or EU standards, the ETRTO).
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