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  #1  
Old 09-29-2019, 06:21 PM
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Tyre Pressure Recommendations

What tyre pressure do you guys have on your e53's ?

Currenty own a 2003 4.4i with 255/50/19 fronts and 285/45/19 rears.

Thanks.
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Old 09-29-2019, 06:51 PM
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My 20" wheels and tires recommend 32 PSI front and 35 PSI rear but I run 30 all around to soften the ride. It felt a bit harsh at 35 PSI.
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Old 09-29-2019, 08:24 PM
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I have them at 37front and 39 rear. lol a bit harsh
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Old 09-29-2019, 08:36 PM
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I run 36 all the way around on my 20's. On all my vehicles really, regardless of wheel size. I think everyone has there own preference.
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Old 09-30-2019, 05:27 PM
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Is there anywhere online where I can download a copy of the handbook for my 2003 4.4i ?
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Old 09-30-2019, 05:41 PM
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Quote:
Originally Posted by Loperamide View Post
Is there anywhere online where I can download a copy of the handbook for my 2003 4.4i ?
https://carmanuals2.com/get/bmw-x5-4...s-manual-17716
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Old 09-30-2019, 05:52 PM
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Genius! thanks!

I'm assuming there is no UK version?
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Old 09-30-2019, 06:06 PM
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Quote:
Originally Posted by Loperamide View Post
Genius! thanks!

I'm assuming there is no UK version?
Not sure, I just Googled 2003 BMW X5 Manual pdf and that was the first link that came up. Maybe dig around a little and see if there is a UK RHD version
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Old 09-30-2019, 06:09 PM
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Quote:
Originally Posted by Overboost View Post
My 20" wheels and tires recommend 32 PSI front and 35 PSI rear but I run 30 all around to soften the ride. It felt a bit harsh at 35 PSI.
Plus 1 on these settings with 20" tires. If you use 35/36 psi in the rears you will have high wear in the center and you will be at the cords in 11K. All of this is assuming you normally run/drive with 1-2 people like most of us. All bets are off if you are racing on your daily commute!

With the skinny 19" wheels and tires you will have to run higher pressures just to keep the contact patch at max. Upgrade to the big boys!
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Last edited by StephenVA; 09-30-2019 at 06:32 PM.
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Old 09-30-2019, 06:38 PM
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Quote:
Originally Posted by StephenVA View Post
If you use 35/36 psi in the rears you will have high wear in the center and you will be at the cords in 11K.
I haven't experienced this. Will certainly change my habits if I do though. Usually don't have anyone in the vehicle with me either.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)


2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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