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  #1 (permalink)  
Old Dec 6th, 2011, 01:25 PM
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Run Flat to Standard change

What does anybody think about changing from Run Flat tyres to normal. I currently have 17" Wheels with Dunlop Sport Run Flats and when I need new tyres I was thinking about changing them all at the same time to change to normal tyres. Does anybody know If I have the space in my floor for the compressor pack and is it worth it in terms of comfort as I find the Run flats very hard.
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Old Dec 6th, 2011, 02:03 PM
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Ditch the run-flats!

I was in your predicament literally the tail end of last week. Two tyres on the front needed replacing, I was running Bridgestone run-flats all round on an R56 Cooper S.

Tell me this... when you hit pot holes does it sound like the car is going to fall apart? When you are steering at speed and hit a bump does the steering wheel snatch left or right? Do you generally just wish your car was more comfortable? This is how I felt, was torn about what to do though... thinking about re-sale value and whether it affected my warranty. After much conversation with Mini and research on the internet I took the plunge and bought 4x Falken ZE912 tyres (205/40/R17) and I can tell you now after 4 days and about 300 miles it is the best decision!! The car rides totally different, it's quieter, more comfortable and it's a pleasure to drive. All the things that annoyed me about the car turned out to basically be the tyres! I can't recommend it more highly. Also at 97 a tyre they are much cheaper to replace.

Also to answer your other question you can buy a puncture repair kit from Mini for standard tyres because if your car is like mine there is no room for a spare tyre. The kit sits in the boot under the carpet... not sure of the price because I haven't bought it yet!
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Old Dec 6th, 2011, 03:06 PM
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i'm running falken 452's couldn't wait to ditch the run flats..
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Old Dec 6th, 2011, 03:22 PM
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I was going to go with the Falken 452 because I had those on my 3 series but they are mainly a summer tyre and they are also going out of production. Falken are replacing the 452 with 912 but the 912 is all season.
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Old Dec 6th, 2011, 06:41 PM
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Quote: Originally Posted by Poprin (original)
I was in your predicament literally the tail end of last week. Two tyres on the front needed replacing, I was running Bridgestone run-flats all round on an R56 Cooper S.

Tell me this... when you hit pot holes does it sound like the car is going to fall apart? When you are steering at speed and hit a bump does the steering wheel snatch left or right? Do you generally just wish your car was more comfortable? This is how I felt, was torn about what to do though... thinking about re-sale value and whether it affected my warranty. After much conversation with Mini and research on the internet I took the plunge and bought 4x Falken ZE912 tyres (205/40/R17) and I can tell you now after 4 days and about 300 miles it is the best decision!! The car rides totally different, it's quieter, more comfortable and it's a pleasure to drive. All the things that annoyed me about the car turned out to basically be the tyres! I can't recommend it more highly. Also at 97 a tyre they are much cheaper to replace.

Also to answer your other question you can buy a puncture repair kit from Mini for standard tyres because if your car is like mine there is no room for a spare tyre. The kit sits in the boot under the carpet... not sure of the price because I haven't bought it yet!

This is exactly how i feel! I feel the runflats are dangerous, I hit a pothole which is all too obvious these days around a corner, and I'm surprised I haven't hit a kerb or another car yet...the car moves sideways by at least 6-12 inches!

I've heard about these Falcons 912's, are they any good under all season conditions? (I'm refusing to give MINI 600 to swap for winter tyres) so I use the same trye all year.

I have no idea how much tyres such as Toyo/Pirelli's etc are which I was told are the best at the moment in comparison to the midrange Falcons
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Old Dec 6th, 2011, 06:57 PM
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I think the Faulken tires are a low budget house brand at Discount Tires!
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Old Dec 6th, 2011, 07:26 PM
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Poprin,

Where did you get your tyres done. I have phone BMW this afternoon and apparently you can get a replacement tray for the boot under the carpet which takes the mobility kit which is 10 ish plus the kit at 103 ish then just swap the tyres. BMW don't do the faulken tyres though, they said its not a BMW recommended tyre and they offer the continental at 160 ish + VAT which is a bit cheaper than the Dunlop Sport RF at 225 ish + VAT. The Problem is they don't offer a all season tyre as they want you to buy their winter tyres. So the continental will still be rubbish outside of summer but I don't know how they will ride! Dunno what to do really!
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Old Dec 6th, 2011, 07:30 PM
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I am led to believe that if your car comes with run flat tyre's you should replace them with run-flats. This is to do with the set up with the suspension in the car. As the run-flats are a harder tyre due to the thicker side wall etc, most manufacturers compensate this by having a softer suspension setting. If you replace the run-flat tyre's with the normal flat tyre's you then have spongey soft wheels on a soft suspension set up. Great for around town, but I would not want to be swerving to miss something at high speeds.
Food for thought...
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Old Dec 6th, 2011, 08:00 PM
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The R50/53 Mini was not really designed for 17" runflat tyres and much of the running gear is carried over into the later models.......the original Rover engineering team who developed the R50/53 at Gaydon say it was a late decision by BMW to add runflat tyres to some models (along with the warning light system required) and that many at Rover thought the Mini was much nicer to drive on the 15 & 16 inch normal tyres. I have swapped to normal tyres and have to agree...........although I believe some of the later 2nd generation runflats are much improved for ride and tram-lining.

Non Cooper S models R50 & R56 can be retrofitted with a spacesaver spare wheel under the boot floor, more details here:
http://www.mini2.com/forum/wheels-ty...ml#post3817434

Last edited by mab01uk; Dec 6th, 2011 at 11:42 PM.
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Old Dec 6th, 2011, 08:44 PM
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I agree the ride on smaller wheels is much better. I wouldn't choose 17" on the hatchback if I was buying brand new.

Last edited by Mattstorm; Dec 7th, 2011 at 01:18 PM.
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Old Dec 7th, 2011, 10:11 AM
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Sorry wasn't on last night but to reply to some posts...

CrazyDave I agree with your statement totally and I think if my car was a BMW I would agree however Mini don't exclusively use run-flats across all models and when I inquired about changing to standard Mini had no problems with it and the lass on service (can't 100% confirm or deny this is true) told me that all new Mini's are being sold with standard tyres at their dealership due to poor customer feedback about run-flats.

Hammo I can't confirm from experience as I haven't had any particularly cold weather but have had some bad rain and the grip is on par with my all season run-flats that have been removed. According to what I have read online the 912 is an all season tyre.

Matt to answer your question I have used Mini for all my repair work and servicing but they do not stock any tyres cheaper than 155 for the conti sport contacts. I went to my local Hi-Q tyre centre who I have used in the past and have been excellent. They fitted the tyres no problems and the Falkens were only 97. Incidentally they could also fit the Conti sport contact 3's for 140 a tyre so cheaper than Mini as well. Also I would rather get my tyres done at a tyre fitters because at the end of the day they change tyres all day long so who better to ask to fit them for you??

Also Macguyvic if you look online at reviews the Falkens are not a budget tyre, they are a mid range tyre but every review I have read people say they perform on par with the expensive brands for a much cheaper price. I've used them on my old BMW in the past and they have been excellent, they are becoming a very well respected brand.
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Old Dec 7th, 2011, 01:15 PM
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Just out of interest, has anyone tried the dealer fitted Continental Sport Contact on 17" wheels. Just wondering if they are a significant difference over the Dunlop Sport run flats to save going to an independant for the tyres and mini for the mobility kit.

I'd love it if my cooper had the same comfort as my partners One on 15" none RF!
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Old Dec 7th, 2011, 03:42 PM
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Quote: Originally Posted by Poprin (original)
Falken are replacing the 452 with 912

the FK452 is the flagship tyre,the ZE912 is a different tyre & not replacing it..

after some searching i've found that the 452 is being replaced by the 453 but there is no release date specified at present.

and it will be more than likely when the stocks of the 452's are all but gone..imo
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Old Dec 11th, 2011, 12:56 AM
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I've just changed the front pair of tyres from Pirelli Euforia to Toyo T1-R Proxes (I personally like them) yesterday and am absolutely gobsmacked by how much difference it has made.
I have had trouble with the car when crossing the camber in the middle of the road and snatching at the steering right/left/right and convinced myself the bushes or track rod ends were worn yet I was unable to find any abnormal play. Potholes have a similar but more short lived effect.
This gets more pronounced in the wet which doesn't sound so much like suspension so I decided to change the fronts as they were nearly due before committing to take it into a specialist for bushes or further investigation.

Wow.
All front end twitchiness is gone, the car feels sure footed and is suddenly nice to drive (it was entertaining, if not nice before) the ride is more refined and the feel through the steering wheel is much better. There is also a marked reduction in noise and the rattle/creak in my dash has gone.

I can now feel how harsh the rear feels, though my car does I believe have the sport suspension upgrade.

I checked with my insurer first (no problem as I'm already on a modified car policy) and signed the disclaimer for blackcircles.
Due to the difference in grip levels, I'll swap them to the back and wear out the Euforia's currently on the rear in a week or two.
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Old Dec 11th, 2011, 11:28 AM
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Quote: Originally Posted by Buzzark (original)
Due to the difference in grip levels, I'll swap them to the back and wear out the Euforia's currently on the rear in a week or two.

Very good sense.

Lots of people think they should put the grippier tyres on the front of a front-wheel-drive car which is fine - until they come to make an emergency manoeuvre that demonstrates they have created a Mini with lots of oversteer.
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