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  1. #1
    Veteran Member Four Rings JMG's Avatar
    Join Date
    Feb 12 2004
    AZ Member #
    281
    My Garage
    2018 M3 CS, i3 REx
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    Orange County CA

    225 vs 235 tires

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    I'm a tire noob. Running Kuhmo Estas 225/40/18s right now:



    Will getting 235/40/18s fill in the gap a little? What are the advantages of the 225 tires? Performance? Looks? I'm not sure I like the stretched over look. Any advice will help.
    2022 BMW G82 ///M4 Competition X-Drive
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  2. #2
    Veteran Member Four Rings Chard's Avatar
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    Feb 11 2004
    AZ Member #
    108
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    808

    your sidewall will be taller with 235/40/18. the 235 measurement is the width of the tire. The 40 measurement is the sidewall measurement which is a ratio of the width, so if you keep the 40 series, you'll end up with an overall larger tire meaning your rolling diameter will be larger. To compensate for this you can get 235/35/18 but I don't think too many people run this size. If filling in the gap is what you're qorried about, the 235's will work.

  3. #3
    Veteran Member Three Rings Brrman's Avatar
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    Feb 11 2004
    AZ Member #
    75
    Location
    Indianapolis

    I run Khumo Ecsta Supra 712's in 235's, JMG - see my "wheels are on" post.

    My wheels are 18x8.5 tho.
    2019 S4 Prestige
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  4. #4
    Veteran Member Four Rings needforspd's Avatar
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    Mar 05 2004
    AZ Member #
    1106
    My Garage
    Deceased 01.5 A4 1.8tm
    Location
    Sylmar Hills

    like the saying goes "wider is better" for handling, at least in my experience it is.
    but you could rub depending on how low you are if you get 235s though from what ive seen/read it should be no problem.
    and imo your gap isnt bad at all. drop it one more perch if it really bugs you n try that.
    Do you have a need for speed? Then drive it like you stole it!

  5. #5
    Veteran Member Four Rings DRA4's Avatar
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    Feb 12 2004
    AZ Member #
    358
    My Garage
    B5 S4
    Location
    NYC

    Just drop it a little more.
    Giac stage 1 279whp-327wtq
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  6. #6
    Veteran Member Four Rings A4 in SC's Avatar
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    Feb 16 2004
    AZ Member #
    550
    My Garage
    '84 911 Carrera GP White, Burgundy cloth
    Location
    Simpsonville, SC

    I have Yoko ES100s in 235/40/18s and I was rubbing up front pretty bad over harsh bumps. Rolling the fenders took care of that though!

    I don't care for the stretched look either. That's why I went w/ 235s. Of course, there's alot of people out there that love the stretched look. I'm just not one of them. I want the tire to fill the fenderwell. I think mine are just right. The 225s I had just didn't look right to me. Kinda' like an elephant wearing a bikini, if you know what I mean...

    Mike

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