I need some help with tires :(

Monkeyyi · 11-18-2020, 09:28 AM

Hey, i've got E90 LCI with Style 194 "17 wheels, By default, it has 225/45 mounted in front and 255/40 in the back. The problem is, I can't find any decent WINTER tires in 255/40 size (or it's too expensive for me). Some people are telling me that 225/45 front and 235/45 would be fine, others tell that 225/45 in front and 245/40 in the back. Who should i trust? do you have any ideas what size tires can i put in the back to not make it look ugly? Thanks!

nsjames · 11-19-2020, 03:06 PM

ideally you want all the tires to have the same diameter and revolutions per mile.

whatever combo gets you there.

I'd probably just do 245/40 all the way around.
or get another set of wheels that aren't staggered and run 225/45 all the way around.

avocet · 11-19-2020, 09:54 PM

I ran winter 225's on factory staggered 17's without any issues and no funny stuff. Unless you looked quite closely you wouldn't have noticed.

tcphoto · 11-19-2020, 10:32 PM

Winter setups are typically more narrow in order to cut through snow and ice.

dave330 · 11-25-2020, 11:44 AM

i've got the same alloys for my winter wheels and have got 225/45/ all round there is a slight stretch to the rear but hardly noticeable.

Volasko · 11-25-2020, 11:55 AM

Go with a square winter wheel setup in 225/45/R17 and get spacers for the rear to prevent it from looking weird. Especially with soft snow tires you will absolutely appreciate being able to rotate them for even wear each season.

11-18-2020, 09:28 AM	#1
Monkeyyi Registered 0 Rep 2 Posts Drives: 2011 BMW E90 2.0D Join Date: Jul 2020 Location: Lithuania iTrader: (0)	I need some help with tires :( Hey, i've got E90 LCI with Style 194 "17 wheels, By default, it has 225/45 mounted in front and 255/40 in the back. The problem is, I can't find any decent WINTER tires in 255/40 size (or it's too expensive for me). Some people are telling me that 225/45 front and 235/45 would be fine, others tell that 225/45 in front and 245/40 in the back. Who should i trust? do you have any ideas what size tires can i put in the back to not make it look ugly? Thanks!
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11-19-2020, 03:06 PM	#2
nsjames Brigadier General 2461 Rep 4,328 Posts Drives: 08 328xi Touring Join Date: May 2017 Location: ohio iTrader: (0)	ideally you want all the tires to have the same diameter and revolutions per mile. whatever combo gets you there. I'd probably just do 245/40 all the way around. or get another set of wheels that aren't staggered and run 225/45 all the way around.
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11-19-2020, 09:54 PM	#3
avocet Major 273 Rep 1,166 Posts Drives: 2007 328i 2011 X5d Join Date: Sep 2010 Location: Vancouver bc iTrader: (0)	I ran winter 225's on factory staggered 17's without any issues and no funny stuff. Unless you looked quite closely you wouldn't have noticed.
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11-19-2020, 10:32 PM	#4
tcphoto Brigadier General 4136 Rep 3,235 Posts Drives: E92 335i 6MT Coupe Join Date: Dec 2009 Location: Nashville, TN iTrader: (1)	Winter setups are typically more narrow in order to cut through snow and ice. __________________
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11-25-2020, 11:44 AM	#5
dave330 Private 7 Rep 76 Posts Drives: BMW E92 330D Join Date: Jun 2020 Location: UK iTrader: (0)	i've got the same alloys for my winter wheels and have got 225/45/ all round there is a slight stretch to the rear but hardly noticeable.
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11-25-2020, 11:55 AM	#6
Volasko Colonel 721 Rep 2,609 Posts Drives: 06 330i E90, 18 530xe G30 Join Date: Dec 2010 Location: Toronto iTrader: (2) Garage List 2018 BMW 530e M Sport [9.00] 2006 BMW E90 330i [8.28]	Go with a square winter wheel setup in 225/45/R17 and get spacers for the rear to prevent it from looking weird. Especially with soft snow tires you will absolutely appreciate being able to rotate them for even wear each season. Last edited by Volasko; 11-25-2020 at 12:02 PM..
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