2008 550i Sport RunFlats ??
#21
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Originally Posted by JSpira' post='519030' date='Jan 17 2008, 12:31 AM
Rudy, did you say something about putting spinners on your car a few moments ago?
#22
Actually, you do not want run-flat on your BMW. There is a good reason why BMW chose to go with non-runflat on their sportiest configuration of the e60 including the M5. Most owners who has runflats hate them. They ride harsher and they don't grip as well as most regular high performance tires. If you car came with runflat, the best mod you can do is replace them with a good set of Michelin PS2s.
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My Ride: 2008 550i Sport Package w/ Paddle Shifter, Navi, Logic7, Comfort Access....Carbon Black/Black Dakota
Yea dmz i think youre right...ive read runflat reviews online and many owners do not like them....I should have gotten the tire insurance from the dealer...lesson learned...next car will def have to get it...
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Kinda funny... I went to two dealers in So. Cal. when I was shopping for a car. Both told me that the 550i sport came with RF tires. Dealer even told me that when I picked the car up and I had to correct him... guess they don't sell a ton of 550i sports to be familiar with the sports package.
IMO, I'm very glad this car doesn't have RFs for the obvious reasons (longer life, more comfortable ride, etc.).
IMO, I'm very glad this car doesn't have RFs for the obvious reasons (longer life, more comfortable ride, etc.).
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[quote name='Rudy' date='Jan 16 2008, 11:31 PM' post='518999']
I agree, your car was never supposed to have runflats. If it makes you feel any better, repairing the tire with either a patch or a plug would've affected the speed rating of the tire. A rule of thumb is that a repaired tire should not exceed 80 or 85mph so replacing it was the safest thing to do in the long run.
I never heard of this "rule of thumb", care to share the specifics?
Thanks
I agree, your car was never supposed to have runflats. If it makes you feel any better, repairing the tire with either a patch or a plug would've affected the speed rating of the tire. A rule of thumb is that a repaired tire should not exceed 80 or 85mph so replacing it was the safest thing to do in the long run.
I never heard of this "rule of thumb", care to share the specifics?
Thanks
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Originally Posted by yayankee' post='519096' date='Jan 17 2008, 06:31 AM
I never heard of this "rule of thumb", care to share the specifics?
Thanks
Thanks
Aside from the Goodyear document above, I think the general consensus is that most tire manufacturers do not guarantee the speed rating once a tire is repaired since they can't control the repair process. The following links provide information about this: (you might have to seach a bit on the page for the part about the repair...)
http://www.tirerack.com/tires/tiretech/tec...e.jsp?techid=35
http://tires.lifetips.com/cat/63619/speed-ratings/
http://www.centraltireva.com/faq/index.php...fault&cat=3
http://www.jags.org/TechInfo/2001/05May01/...ecapability.htm
http://wayneswheels2000.com/speed-ratings.html
http://www.rma.org/tire_safety/tire_mainte....cfm#conditions
#27
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It's written on the tire, why don't you check yourself?
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Originally Posted by Rudy' post='519128' date='Jan 17 2008, 10:23 AM
It seems as if there are many more pages that agree that a repaired tire's speed rating cannot be maintained than there are pages that say it can.
I'll be seeing some Bridgestone execs in two weeks at their winter driving school so I'll ask.
#29
Rip,
Just an additional thought...think about getting wheel and tire insurance. About $500 if I remember correctly from BMW's suggested company. I have replaced two tires already and feel fortunate that I decided to get coverage. No hassles from dealer either...call up, pick up, replace, they do the paper work. I had RF's before on my 04 hated them, the NRF's are a much better ride.
All the best
Just an additional thought...think about getting wheel and tire insurance. About $500 if I remember correctly from BMW's suggested company. I have replaced two tires already and feel fortunate that I decided to get coverage. No hassles from dealer either...call up, pick up, replace, they do the paper work. I had RF's before on my 04 hated them, the NRF's are a much better ride.
All the best
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Originally Posted by JSpira' post='519321' date='Jan 17 2008, 07:02 PM
Pretty much what every tire maker I've ever spoken to has told me.
I'll be seeing some Bridgestone execs in two weeks at their winter driving school so I'll ask.
I'll be seeing some Bridgestone execs in two weeks at their winter driving school so I'll ask.