CMC950 Posted September 4, 2009 Report Share Posted September 4, 2009 I've just asked BMW to put Goodyear F1 non run-flats on my car. They said 'no problem' but price was £890!!! No thanks. So I got Event Tyres to do it yesterday. £549. That's more like it. They advised me, they could have sold me run flats, but they did confirm that the car would be 'transformed' with non run flats. Cripes, what a difference. Softer in town, just plain better on b-roads. No difference on a motorway. Run Flats are officially for people who want a secret storage compartment under the boot floor. That is the only advantage as far as I can tell!!! Happy driving.... Link to comment Share on other sites More sharing options...
SINGH Posted October 3, 2009 Report Share Posted October 3, 2009 Ordered 4 Falken FK452s from Camskill. £337! Have a friend with a tyre garage who will fit them for free. I'm going to knife one of the old run flats on the way to the tyre place to see how it works and if the TPMS picks up on it, good idea? Front : 225/40/18 Rear : 255/35/18 Link to comment Share on other sites More sharing options...
Cleybrooke Posted October 8, 2009 Report Share Posted October 8, 2009 Having spent a disproportionate amount of time weighing up the pros and cons I’ve ended up putting Run Flat Michelin Pilot Sport on my 320d M sport 18’s. Cost for all 4 (225/40ZR18 front and 255/35ZR18 rear) was £647 inc fitting etc. _ including the £40 fuel rebate offer Mich are doing at the moment. And this was from Kwik Fit of all places. Why? I was still concerned about buggering the handling – had a very bad experience of running F1 Asy’s on my Golf. First, set lasted 30,000 mile so I’m not likely to need to buy any more in the life of the car Second, just wanted avoid the “have you informed your insurance company” “do you know it impacts the warranty”, “you know it will impact resale”, “what tyre pressure do you want them to be???” and “you know we don’t recommend you use these tyre” type questions that will be asked all the way down the line. Yes I do have all the answers for these – I’ve trawled loads of sites and understand that most of the issues raised are a smoke screen but here’s a thing: The two reasons for swapping from RF (for me any way) where: 1) Ride - Had Bridgestone before and they where truly awful ride. Double bounce over cats eyes and tram lining + the feeling you where ridding on solid rubber. 2) Cost – RF are massively expensive compared to the risk of a puncture on the benefit if a few extra litres of space. Conclusion. Ride on the Michs is light years better than the Bridgestone’s – a real step change Cost – hey £650 aint that much more is it…. Link to comment Share on other sites More sharing options...
gizze Posted October 8, 2009 Report Share Posted October 8, 2009 BMW now offer non run flats as an option when buying new btw. I agree though, the Michelin PS zero pressure tyres are great, I would happily have them too, in fact the only run flat I didn't feel the need to swap out for proper tyres. Link to comment Share on other sites More sharing options...
SINGH Posted December 15, 2009 Report Share Posted December 15, 2009 I have to say the ride has improved but I have found the Falkens wheelspin a lot more in the wet then the runflats. Link to comment Share on other sites More sharing options...
CJ92 Posted December 15, 2009 Report Share Posted December 15, 2009 I have to say the ride has improved but I have found the Falkens wheelspin a lot more in the wet then the runflats.I dont like the sound of that although i have never had a BMW thats not been a little twitchey when the road is wet/greasy.Have to say that so far i have been impressed with the Bridgestone Potenzas that are currently on my car.. Link to comment Share on other sites More sharing options...
Gracillis Posted December 17, 2009 Report Share Posted December 17, 2009 Just going to get some GY F1s put in today to replace my 19" alloys after 2 cracks were found on its first service... event tyres 670ish fitted. what kinda puncture kit should i go for? i have no idea where to start looking for comparison guides etc etc or what kinda stuff is avaliable. I hope the ride is better than the bridgestones i have had on... or ill be tempted to sell as soon as i can. Link to comment Share on other sites More sharing options...
Gracillis Posted December 17, 2009 Report Share Posted December 17, 2009 also if i am changing from RF to Non RF, should i keep the same tyre size? GY F1s come in the sizes i need. 225/35/R19 and 255/30/R19. but should i go one size up? Link to comment Share on other sites More sharing options...
Gracillis Posted December 22, 2009 Report Share Posted December 22, 2009 Changed tyres on Friday, then had to take it in to get two cracked alloys replaced. Got it back on Sat. Drove home and Sun morning drove out to breakfast only to discover one of the rears was low/flat... no warning was showen on dash :@ so took to petrol and filled with air. Everywhere is ofc closed on Sunday so had to wait till Monday and BMW tell me I have a sidewall puncture.... Really? One day after getting brand new tyres?!? eugh!! Not sure if I can dispute this as BMW didn’t put on the tyres just changed em onto the new alloys or weather I got a bad tyre in first place. Or if I did indeed get a SIDEWALL puncture on way home doing <30 in the snow... New tyres is coming Wed. Generally the car felt quite a bit better I have to say. Just got to remember to buy that mobility kit next time I am near Halfords. Link to comment Share on other sites More sharing options...
CarMad Posted December 22, 2009 Report Share Posted December 22, 2009 I got two large gunk tyre weld bottles and a Halfords compressor that was on offer was a higher end model. Both work well as a colleagues had a problem with his wifes mini and my kit came to the rescue and fixed the puncture and pumped it up a treat. Link to comment Share on other sites More sharing options...
Gracillis Posted December 24, 2009 Report Share Posted December 24, 2009 is the gunk wasable ? or is the tyre done for once u use it? i cant find the washable stuff anywhere.. Link to comment Share on other sites More sharing options...
CarMad Posted December 26, 2009 Report Share Posted December 26, 2009 Can't remember, I say the tyre might be done for? But then if you drive on the tyre without the gunk in it then it will be done for as well but will have been able to get home or to the tyre fitters. Link to comment Share on other sites More sharing options...
Gracillis Posted January 1, 2010 Report Share Posted January 1, 2010 Heh, yes true. I did end up getting a compressor for 12 quid and can of tyre weld for 8... Fits nicely into the boot. Money well spent!! As far as improvement in the ride quality, I wouldn’t say it is AS good as I thought it would be. That’s not to say it’s not better. The car is way less twitchy and the bumps are still there but just not as sharp as before. The spine is saved. Overall, given the choice again I wouldn’t say it is non run flats hands down.. But I would give it serious thought. Link to comment Share on other sites More sharing options...
CarMad Posted January 1, 2010 Report Share Posted January 1, 2010 Yeah its not night and day, apparently on the early runflats it was but its an improvement and a worth while one IMO. As it was almost an identical amount to change all 4 tyres to non-runflats as it was just the rears to the same RF's it was a no brainer in the end. Link to comment Share on other sites More sharing options...
Gracillis Posted January 4, 2010 Report Share Posted January 4, 2010 As it was almost an identical amount to change all 4 tyres to non-runflats as it was just the rears to the same RF's it was a no brainer in the end. Yea this is why i think i will still go Non RF if i had choice again! Link to comment Share on other sites More sharing options...
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