best tyre size and make for cooper D 09 - MINI Cooper Forum

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post #1 of 7 (permalink) Old May 1st, 2014, 10:48 AM Thread Starter
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United-Kingdom best tyre size and make for cooper D 09

Hi
can anyone give me some pointers as to the best tyre size and make for my cooper D, i would like a half decent ride, as in going over a bump doesnt feel like a crater!!
Also best for economy.

many thanks
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post #2 of 7 (permalink) Old May 1st, 2014, 02:06 PM
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What is your wheel size and do you have Run Flats? Swapping to non run flats should make a huge difference in the ride.

I have Cooper D Convertible with 17" wheels non run flats. The car came with Bridgestone Potenza's and the ride was hard but that is what I loved about the car. I had to replace two tyres and I went for Hankook Ventus but as soon as I drove the car on the motorway it felt terrible, very different and when I executed a swift lane change it felt like it wanted to wander all over the place.

Turned out it was because the Bridgestones are really hard tyres compared to the Hankooks - when I went in to get the other two replaced the tyre man got two down for me to press on the sidewalls, the Hankook had some give in it, the Bridgestone didn;t budge/ I had another two Hankooks on and now the car is fine, they said it was down to the mix of tyres and they were right.

Had I known that though I would have gone for Bridgestones again as there was not that much money in it between the two because I'm a bit weird and I kind of like that bone jarring ride, so if you do change, make sure you do a bit of research on the tyres you are replacing with perhaps to go foe ones with a bit of give in them.

As for economy, I have read that the bigger the wheel the worse the economy is, something to do with needing more power to get the car rolling on those big wheels initially. I guess it depends on the sort of motoring that you are going as if you are on a motorway bigger wheels would give better economy than smaller ones as they are not having to turn as quick. To be honest though, if you have a diesel then thhe change in the overall economy is hardly going to make any different and I would prefer to see my 17" wheels on rather than some 15" ones.
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post #3 of 7 (permalink) Old May 1st, 2014, 04:18 PM
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A Dooper will be able to run on any Mini tyre/wheel size so I would say:
- 15" is best comfort and economy and will feel 'more sprightly' but will be lacking cornering grip if you drive it hard;
- 16" is probably the best compromise tyre for a Dooper - decent cornering grip, comfort not greatly worse than 15", only 2-3mpg loss of economy and a little acceleration compared to 15";
- 17" is more tyre than a Dooper needs unless the looks are more important to you than how it works - less comfort than 16", loses another few mpg and a bit slower but offers great cornering grip if you drive like you stole it.

I think the effect of runflats on ride comfort depends on wheel size and suspension type. 17" runflats with sports suspension is the ride that people really hate whereas I swapped too and from 16" runflats on my non-sports Cooper and found little difference in comfort.
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post #4 of 7 (permalink) Old May 6th, 2014, 01:34 PM Thread Starter
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im on pirelli non run flats 175/65/15 its a bit hard the ride but just thought i might ask if theres anything i could do
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post #5 of 7 (permalink) Old May 6th, 2014, 05:59 PM
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Just get a non runflat tyre and your be fine
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post #6 of 7 (permalink) Old May 22nd, 2014, 06:54 AM
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Yeah everyone suggest him well to fix the wheels.Nice to know about that.So you can take trust on these advises because these are all true suggestion.I am an experienced mechanic of the vehicles and know very well about the Mini all models and their sizes.
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post #7 of 7 (permalink) Old May 24th, 2014, 04:30 AM
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To be honest though
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