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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 07-04-2004, 05:01 PM
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My tires say don't exceed 40PSI.

Is this what I inflate to?

2008 128i Jetblack
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#2 (permalink) Old 07-04-2004, 05:09 PM
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If you want ride comfort and tirewear, go with whatever it says in your door jam should be like 31 or 32.

If you want performance play with it a little bit, I use random pressures because I'm constantly changing them. Right now they're at like 40 front and 36 rear.

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#3 (permalink) Old 07-04-2004, 05:12 PM
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door jam eh. thanks...

2008 128i Jetblack
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#4 (permalink) Old 07-04-2004, 06:10 PM
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Hey Kevin32i: I notice you plan to install a SSK "coming soon". It would be cool if you could post some pics of the process, when you do it....

Thanks!
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#5 (permalink) Old 07-04-2004, 06:34 PM
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Will do. I've planned everything around that because to gain easy access to the shifter it's easiest to drop the driveshaft and exaust. Both of which will be off for other things. understeer.com has a really nice write up on how to do it if you're interested at looking.

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#6 (permalink) Old 07-04-2004, 08:14 PM
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The door jam specs will only be accurate if you have stock size tires. I would take the recomended max pressure (40psi in your case) and come back a little. For comfort I would go for 38psi. If you are going for performance, you would just have to try what Kevin suggested and experiment. Try 35psi up front and 31 in the rear, that should be about right.

Exactly what tires are you running? (Size, Brand, Model)

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#7 (permalink) Old 07-05-2004, 11:34 PM
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if you have m3 rims, ask someones reccomended tire pressure for an m3

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#8 (permalink) Old 07-05-2004, 11:49 PM
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I usually run 30/35 f/r.

<span style='color:gray'><span style='font-family:Courier'>1995 e36 3 Series RIP
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#9 (permalink) Old 07-06-2004, 12:06 AM
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i run 31/37 on stock 15s

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#10 (permalink) Old 07-06-2004, 09:01 AM
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you should run a few pounds less than the tires max pressure. Each tire is different, some need more presure to be inflated properly, some need less. What's written in the door jam was for stock tires :P Dosn't really matter what rims you have, it's the tire.

What jllphan said, inflate to about 2-4 PSI less than the tires max pressure for a fairly even treadwear (which translates to an even footprint) If you plan to drift or do anything that REALLY wears down the tires, make sure the PSI is 2-4 less than max, otherwise, your gonna have some odd treadwear

My tire shop loves me, I've gone through 3 entire sets in 9 months....
225/50 16" rims. Kuhmo exctasa, cause I'm broke now (90$ tire)

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#11 (permalink) Old 07-06-2004, 09:03 AM
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keep the fronts lower than the back

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