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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Vredestein tyre pressures



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      08-16-2013, 03:27 PM   #1
Richardoe92
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Vredestein tyre pressures

looking for some advice lads, just binned the run flats for Vredestein Ultrac Sesantas, standard sizes on 19" rims.
im running 2.7 rear, 2.2 front as per the run flats.
trouble is went into a corner today at 45mph and I thought they were gonna give up on me!!!!!
my golf goes round at 60 no probs, just wondering what others are running pressure wise?
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      08-16-2013, 07:01 PM   #2
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Have you got oem bmw 19 wheels?

Give 38 and 42 a go...

or 36 and 40...

what's 2.2?... 32 psi? ...that's too low!
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      08-17-2013, 12:25 AM   #3
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2.2 is way to low. My low tyre pressure warning comes on at 2.3! Try running 2.5 at the front.
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      08-17-2013, 02:16 AM   #4
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Can somebody confirm this for 19 inch wheels with
235/ 35 /19
265/ 39 /19
?
What is optimal air pressure for these in PSI?
Thanks.
(Assuming OP has the same setup)
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      08-17-2013, 03:50 AM   #5
chargingbear
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Quote:
Originally Posted by makkan00 View Post
Can somebody confirm this for 19 inch wheels with
235/ 35 /19
265/ 39 /19
?
What is optimal air pressure for these in PSI?
Thanks.
(Assuming OP has the same setup)
I have same tyres and run on my E91, 40 up front and 44 rear which is the best combo for me and also similar to that recommended on the drivers side pressure sticker. BMW E91 recommendations for 19" wheels is 3.2bar rear = 46psi and 2.7bar front = approx 40psi .Will most probably be .2bar lower on the E90; so I would use fronts 36-38psi and rears 40-42psi.
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      08-17-2013, 07:45 AM   #6
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Thanks bud, will check mine again.
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      08-17-2013, 04:31 PM   #7
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Makkan im assuming u meant 265 / 30? I run the same sizes....tyre pressure 2.5 and 2.7
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      08-20-2013, 11:30 AM   #8
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thanks gents, will try 2.5f 3r and hope she makes it round!!!
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      08-20-2013, 11:55 AM   #9
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Quote:
Originally Posted by zltm089 View Post
Have you got oem bmw 19 wheels?

Give 38 and 42 a go...

or 36 and 40...

what's 2.2?... 32 psi? ...that's too low!
+1

I run 38 and 41 on 235 and 275 19" vreds.
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      08-21-2013, 11:07 AM   #10
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If it still feels a bit odd after adjusting the pressure get the wheel alignment done.
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      10-27-2013, 08:01 AM   #11
Richardoe92
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Update

Just an update for anyone thinking of changing to the Vredesteins.
Now I have set up correctly, 3 bar rear 2.5 front, laser alignment, I love it, can't wait to drive it.
If you are near to changing over do it.
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      10-27-2013, 05:38 PM   #12
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3 is a bit high I would think it might feel skittish in low traction situations
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      10-28-2013, 09:08 AM   #13
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Quote:
Originally Posted by crypticc View Post
3 is a bit high I would think it might feel skittish in low traction situations
Yeah, i reckon 40psi would do nicely...
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      11-02-2013, 02:57 AM   #14
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  • The tyre pressures on the door card apply regardless of whether you have RFTs or not. It's the air in the tyre supporting the car, not the sidewall.
  • Door card pressures increased by about 0.1bar with LCI models, quite possibly to alleviate the horrible edge wear reported on pre-LCI cars.
  • Bar means nothing to me - on my 330d my 18s are at 36 front, 39 rear, and I would expect 19s to be 1 or 2 psi more than that.
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