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Old 04-04-2008, 04:22 PM
Join Date: Mar 2008
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weekendmechanic is on a distinguished road
Cool Tire squeaking at slow speeds

I recently inflated my tires to 40psi (18 inch Michelins) and hear squeaking on slightest turns. Is this normal? Does anyelse get this?

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Old 04-04-2008, 04:41 PM
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Why would you put 40 psi? Shame on me for not knowing off the top of my head. My E53 with 18 non staggered was 32 psi all around. I think the E70 is the same.

EDIT: I just went outside to check the sticker on the drivers door that should show the tire pressure....well there isn't one. What's up with that?

Manual shows 32 psi

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Last edited by cmyX6go; 04-04-2008 at 05:43 PM.
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Old 04-04-2008, 05:23 PM
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Sometimes if you drive on a gravel/dusty road, crap gets kicked into the brakes and can cause some squealing. It should go away with time. That happened to my X3 once a long time ago.

40psi on the 18" is excessive.
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Old 04-04-2008, 08:49 PM
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40psi is high... even for the race track...
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Old 04-04-2008, 10:49 PM
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wow 40 is too much i wont risk it above 34psi
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Old 04-04-2008, 11:10 PM
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32-34 tops.... (front/rear if staggered)

too low or too high and you risk tire failure...

40 will feel a bit bouncy and light...giving you that false sense of security....but as it heats up on longer trips it will expand beyond the tires capacity... be very careful!
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