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BMW 3-Series (E90 E92) Forum
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Non run flat psi tire pressure?
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09-08-2012, 09:58 AM | #2 |
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Start with the recommended pressures found on the door jamb sticker for OEM RFTs in the size you are using. If you find the resultant handling feel to be a bit too soft, then add about 3 psi - but do not exceed the maximum cold pressure printed on the tire.
Tom |
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09-08-2012, 09:59 PM | #4 |
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Try 38 psi all around and see how you like that. It's worked for me for a while now. I used to run the same on my E36 M3 with good results, too.
Factory pressures are definitely too low for "real" tires, unless you like wallowing around on them like a hog in mud. They are BMW's pathetic attempt to moderate the horrible OEM ride with runflats. |
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09-09-2012, 02:41 PM | #6 |
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09-10-2012, 02:36 AM | #7 |
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Damn. Seems a little high
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'10 E90 335i | Black Sapphire Metallic | Black Dakota Leather | M Sport | Premium | Cold Weather Cobb AP Stage 1 | Alpina B3 TCU | DCI | CF Splitters | CF Performance Spoiler | CF Trim |
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09-10-2012, 03:00 AM | #8 |
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I'm running that at full load as suggested on the psi indicator sticker. I've been told to run non flats slightly higher? Ok so 38 psi should be fine then? I've noticed the steering is a lot lighter since the change.
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09-10-2012, 02:31 PM | #10 | |
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Quote:
Yep, steering response is much better with non runflats at the higher pressures. |
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09-10-2012, 10:48 PM | #11 | |
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Quote:
Your temperature ranges may result different pressures.
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