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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > Recommended Tire Pressures?



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      04-21-2013, 12:23 PM   #1
Opo
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Exclamation Recommended Tire Pressures?

So I've done some searching already but if I missed it please just point me to the right thread.

I'm looking for some advice as to what PSI I should be running with my setup.

2008 335i Non-Sports package, Sedan

245/30/20 in the front
265/30/20 in the rear

tires are non-RFT.

Currently running 32 PSI cold front & rear right now.

Looking for optimal pressure that I should run to avoid any possibility of abnormal tire wear as I drive approximately 130 KM/day.

Thanks guys.
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      04-21-2013, 04:02 PM   #2
BmerMeUp
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Found this in my manual.
Looks like 32 for 20" is a little low?
Check out the pic.
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      04-21-2013, 04:23 PM   #3
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On 19" with Michelin PSS, 38 psi seems to be a good number for me.
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      04-22-2013, 12:37 AM   #4
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I run my 18 staggered at 42/51 psi
Look inside drivers door!!!
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      04-22-2013, 12:46 AM   #5
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Says what you need on your door jam.
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      04-22-2013, 11:37 PM   #6
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Quote:
Originally Posted by 335dM View Post
I run my 18 staggered at 42/51 psi
Look inside drivers door!!!
Quote:
Originally Posted by Game View Post
Says what you need on your door jam.
I would be surprised if his door jam told him what to do with 20" rubber...


The page from the manual suggests pressure goes up as profile goes down.
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      04-28-2013, 11:28 AM   #7
Opo
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Thanks for the help guys. Right now I am running 38 PSI in the front and 42 PSI in the rear, measured cold..
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      04-28-2013, 12:00 PM   #8
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i usually run 38 all around
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      04-28-2013, 08:13 PM   #9
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Quote:
Originally Posted by 335dM View Post
I run my 18 staggered at 42/51 psi
Look inside drivers door!!!
Sounds a bit high... but anyways, what puzzles me is that there are so many different sets of tire pressure being used that you probably can't find the "right" one here. Afterall there is no "right" pressure. I run 35/38 on 245/35/18 and 265/35/18. 3 psi higher than the manual psi. Good Luck!
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      04-29-2013, 01:26 PM   #10
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Around 38 PSI should be about right if I'm not mistaken.
Quote:
Originally Posted by 335dM View Post
I run my 18 staggered at 42/51 psi
Look inside drivers door!!!
That seems rather high...
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