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02-15-2009, 03:41 PM | #1 |
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Just put on new tires
So my patience finally ended with the RFTs. Just put on Dunlop SP Signatures. They got very good reviews on tire rack and undercut the costs of others in the the same field. Will post in the next few days about the difference. ANything has got to be better than the bridgestone tires that came on it. What is BMW thinking??
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02-15-2009, 04:04 PM | #2 |
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actualy the RFT Michelins that have been reported to come as OEM on some cars are not that bad. It seems taht it's the Bridgestones in particular that are bad and old technology.
but of course, non RFT FTW"
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02-25-2009, 01:14 PM | #4 |
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Garage List F15 X5 xDrive35i [8.75]
E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.08] |
i agree, the rft's would make the ride way too harsh and didn't have good traction. i switched to pilot sport ps2 and it rides awesome. only concern of course is what to do if i get a flat...
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03-10-2009, 05:19 PM | #5 |
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When I did my test drives in the Z4 3.0si Coupe it was in cars without the Sport package. I felt the ride quality was acceptable with the Bridgestone RFTs. However, when I finally got around to buying my Coupe the only cars to be had were equipped with the Sport package. I'm now regretting missing out on the base coupe.
Getting rid of the Bridgestone RFTs seems to be the general consensus. However, I'm torn between just getting conventional tires for my 18" Sport package wheels or dropping down to 17" wheels like on the base model and going with conventional tires. Yes, I know, I'm a55 backwards. I'm thinking of going down a size in a plus size world. I have my reasons: 1) Lighter weight, especially with regards to polar monent of inertia. 2) Aesthetics, I never been a big fan of excessive brake clearance. You shouldn't be able to look through to the other side as if it were a big window. 3) Less chance of getting curb rash when kissing curbs. Also better for broken asphalt. Any body go this route? Opinions? |
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03-11-2009, 09:10 AM | #6 | |
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Not all wheels are created equal in terms of weight. If you do your homework, you can find 17", 18", 19" wheels which are lighter then the oe 18" wheels. How much money do you want to spend? Aesthetics: like many other things it's what you like and how it fits in with performance and cost.
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03-11-2009, 03:31 PM | #7 | |
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Quote:
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03-12-2009, 11:55 AM | #8 |
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Yah, it is kind of funny that run-flats have such a bad rap for ride quality and tramlining, mainly due to the super stiff sidewalls, yet people will go put 19s or 20s on their cars. At some point those short sidewalls are probably just as stiff.
What would really be scary is someone going to those larger sizes and still going with a run-flat. http://www.alpina-automobiles.com/en...s/runflat.html Last edited by UncleScottie; 03-13-2009 at 06:01 PM.. |
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03-16-2009, 09:36 AM | #10 |
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Well I would guess Bridgestone offered BMW a really sweet deal. I doubt run-flats would have ever got off the ground just as replacement tires. Bridgestone likely waited for commitment from an automaker before going to production. Whatever hit Bridgestone took in making such a deal they are now making back with the sales of replacement RFT tires. I would go further to guess that the "no repair policy" was a part of the agreement that BMW signed off on as well as some penalty clause if BMW tried to backout of the deal before a specified quantity or time period had been reached.
I think Bridgestone often gets automakers to make such deals. It would be the only explantion of why Subaru kept putting the crappy RE92s on the WRX for so long. Very smart business on Bridgstone's part. Bad business on the automakers side considering the fallout from customers. Last edited by UncleScottie; 03-16-2009 at 09:54 AM.. |
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03-17-2009, 07:09 PM | #11 |
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Well, I'm another non-RFT convert.
Just put on GY F1 Asymetrics and all I can say is WOW!!! No more tramlining, smoother ride, turns on the corners like a cheetah! Tire rack offered the best price and with the $50 rebate to boot, it was time to make the switch. There's no lookin' back baby! |
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03-19-2009, 09:59 AM | #12 |
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I agree with the smaller wheel idea. My Z4 3.0i roadster has the sport pack with 18 inch elliptical wheels, Not only have I never liked giant wheels wrapped in black rubber bands, I just don’t think the elliptical is a good looking wheel. I have considered posting an offer on Graigs List to trade straight across 17 inch rims with any Z4 owners. Do you think there would be takers?
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03-19-2009, 10:23 AM | #13 |
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There's one way to find out for sure....
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04-23-2009, 12:37 AM | #14 |
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This discussion is great
I am in the same boat trying to soften the ride in my "new" 05Z4 3.0 Sport Susp. I am looking at 17" Beyern wheel set. What if I go with 235s on all wheels not larger rears? Of course no RFT ever again thanks.
Last edited by kmancars; 04-23-2009 at 09:24 AM.. |
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04-23-2009, 03:58 PM | #16 |
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Garage List F15 X5 xDrive35i [8.75]
E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.08] |
fyi, as much as i hate the rfts, i did get stuck with a flat the other week and it totally sucked.
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04-23-2009, 10:30 PM | #17 |
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haha i got stuck with a flat the week i got my new tires on so nothing beats that. but yea dude, i just keep a spare in the trunk on long trips and then bmw has the roadside assistance as well as most insurance companies. beats a crappy ride
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04-24-2009, 02:38 PM | #18 |
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I think that would depend more on the tires chosen than wheel size. Reviews here and elsewhere seem to indicate a significant/noticeable improvement in steering feel going from RFTs to conventional tires. You might lose a bit of that improvement going from an 18" to 17" wheel, but I'm guessing a 17" with conventional tire will still be better than an 18" with Bridgestone RFT. I'll give actual impressions once I make that change.
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