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Thread: Tyres - Change size or just suck it up buttercup....

  1. #17
    Senior Member Macman's Avatar
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    Re: Tyres - Change size or just suck it up buttercup....

    If your car has run flats, I’d get rid of them. May bring the cost down a bit more.

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    Senior Member Macman's Avatar
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    Re: Tyres - Change size or just suck it up buttercup....

    Cheapest I can see for me

    https://www.blackcircles.com/catalog...?tyre=37008716

    Works out £376 before delivery

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  4. #19
    Chaos Monkey Apex's Avatar
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    Re: Tyres - Change size or just suck it up buttercup....

    Quote Originally Posted by Macman View Post
    If your car has run flats, I’d get rid of them. May bring the cost down a bit more.
    No run flats here bud, infernal things.

  5. #20
    Chaos Monkey Apex's Avatar
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    Re: Tyres - Change size or just suck it up buttercup....

    Quote Originally Posted by Macman View Post
    Cheapest I can see for me

    https://www.blackcircles.com/catalog...?tyre=37008716

    Works out £376 before delivery
    That is not a bad deal at all and for a tyre that is well reviewed, thanks.

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    Senior Member Macman's Avatar
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    Re: Tyres - Change size or just suck it up buttercup....

    Quote Originally Posted by Apex View Post
    No run flats here bud, infernal things.
    Never had run flats on a car until I bought my 1 series May 2019, only just had to replace the rear tyres which is not bad going at all. Didn’t realise until I drove it home that I completely forgot I had run flats

    Getting another 2 papped on at front soon to get rid of them completely.

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    Re: Tyres - Change size or just suck it up buttercup....

    I'm willing to bet money that for the sake of the 0.3% difference in diameter there's no difference in how the factory "calibrates" the speedo for the different wheels. They're just counting notches in the ABS ring, no calibration needed

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    Re: Tyres - Change size or just suck it up buttercup....

    As I mentioned if they changed to 17" there would be no difference in speedo reading. Here is a good calculator for different wheel sizes - http://www.autopartuk.com/tyre-calculator/
    Jon

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    Re: Tyres - Change size or just suck it up buttercup....

    Quote Originally Posted by Apex View Post
    Not near, and iirc with costco you have to be in a certain trades to be able to sign up so i think i am a bit scrupped there.
    They seem to have a caveat which is "a profession" which means pretty much anybody else nowadays...

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    Re: Tyres - Change size or just suck it up buttercup....

    Having a Mazda 3 with 18" wheels I was tempted to swap to 16" factory wheels but then the fun of storing the 18's as I'd put those back on later on when its time to sell up. So opted to just suck it up rather than messing around with then having to sell off the 16"'s later on.

  12. #26
    Laird Of The Glen jimborae's Avatar
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    Re: Tyres - Change size or just suck it up buttercup....

    Quote Originally Posted by Macman View Post
    Never had run flats on a car until I bought my 1 series May 2019, only just had to replace the rear tyres which is not bad going at all. Didn’t realise until I drove it home that I completely forgot I had run flats

    Getting another 2 papped on at front soon to get rid of them completely.
    BMW 1 or 2 series with runflats is an awful combination, 1 series especially. Best get the fronts replaced asap for a more enjoyable experience.

    Going to back Apex though if you go with ATS dont forget you get a free dash cam as well if you go with Michelins, although that offer may end today. I was quite lucky in that the Cross Climates I bought worked out at just over £100 a tyre fitted plus the free dash cam, which I can sell on. I however was looking at 225/40/r18 & 245/35/R18 so the prices are a bit cheaper.

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    Re: Tyres - Change size or just suck it up buttercup....

    Anyone changing to all-season or winter tyres with relatively low profile sizings, just watch out for speed bumps. I had some vredestein quatrac 3 in 225/40R18 size, and after about 18 months, they'd all got eggs on the inside edge sidewalls, to the point that you could feel a rumbling noise from them driving along.

    The tyre place reckoned they were getting "pinched" against the rim going over concrete "speed cushions" which makes sense as I always line up to bridge them meaning that it would always be the inside edge of the tyre hitting the corners.

    I guess the sidewalls were a lot softer as I've not had such problems with summer tyres, or with lower profile allseason or winter tyres on other cars.

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    Re: Tyres - Change size or just suck it up buttercup....

    Quote Originally Posted by squirrelz View Post

    The tyre place reckoned they were getting "pinched" against the rim going over concrete "speed cushions" which makes sense as I always line up to bridge them meaning that it would always be the inside edge of the tyre hitting the corners.
    I remember reading Honest John's website years ago recommending that you should always put one tyre fully on and one off speed cushions to prevent damage to the inside shoulder of the tyre. I even go so far as to alternate which side goes on and so far I have never had a problem!

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