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Sedans BMW 3-Series BMW 3-Series Run Flat Tires
2421 messages, Last post on Dec 02, 2009 at 1:06 PM
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Replying to: Mr_Shiftright (Oct 03, 2007 8:04 am) Regards, OW |
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Replying to: circlew (Oct 03, 2007 8:20 am)
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Replying to: circlew (Oct 03, 2007 8:20 am)
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Replying to: Mr_Shiftright (Oct 03, 2007 9:05 am) Regards, OW |
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Replying to: kyfdx (Oct 03, 2007 8:52 am) Regards, OW |
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Reading this post with some amusement for several weeks now. Obviously, most of you have not had a hig speed blowout on a rear wheel, or any wheel for that matter..? I had the bad luck to get a blowout at 80 mph coming out of a tunnel on the PA turnpike years ago. It was all I could do to keep the car on the highway before I managed to get over to the 4 foot wide breakdown lane to change the flat. I wont tell you what a tandem trailer truck feels like passing you at 70-75 mph while you're trying to change a flat tire..you really dont want to know. What you do want, is a run flat tire. Run flat tires allow you to maintain control with a total loss of air pressure..they allow the Directional Stability Control to operate, as well as the Anti Lock Braking system. With a total loss of air, you can travel up to 150 miles to get a repair. With a slow leak, you can travel up to 600 miles to get a repair. If the puncture is more than 3/4" from the sidewall, you can get it plugged for a few bucks. And, the low tire warning lights up to let you know there's a problem! Keep your spare tire, keep your jack, keep your lug nut wrench..I'll keep the Run Flats and keep on driving.
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Replying to: bmwr (Oct 09, 2007 12:52 pm) "I had the bad luck to get a blowout at 80 mph..." Been there, done that, got the tee-shirt. That said, tire technology has come a loooong way in the last couple of decades, and blow-outs without some external help (i.e. a road hazard of some sort) are all but non-existent these days. That said, if you do hit a piece of road junk that destroys your tire, it is highly unlikely that RFTs will help you all that much, if at all. "Run flat tires allow you to maintain control with a total loss of air pressure..they allow the Directional Stability Control to operate," Stability control and ABS on a late model BMW work just fine even of one or more tires have zero pressure and are of the GFT variety. "With a total loss of air, you can travel up to 150 miles to get a repair." Ummm, no. The recommendation is no more than 50 miles. "With a slow leak, you can travel up to 600 miles to get a repair." That's a bizarre statement if I've ever seen one. Geez, I've driven thousands of miles with a slow leak on GFTs. Stop, fill'er up every so often and continue on your way. "If the puncture is more than 3/4" from the sidewall, you can get it plugged for a few bucks." Only if you can find someone willing to do it. FWIW, most (if not all) BMW dealerships will refuse to do this kind of repair. "Keep your spare tire, keep your jack, keep your lug nut wrench..I'll keep the Run Flats and keep on driving." Keep your RFTs with their clumsy handling, bone jarring ride and short tread life. I'll gladly take a spare and a jack with me any day. Best Regards, Shipo
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Replying to: shipo (Oct 09, 2007 1:47 pm) +1. Don't forget that it also costs about twice as much to have a RFT mounted. |
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Replying to: shipo (Oct 09, 2007 1:47 pm) Hopefully RFT or the new Michelin tireless technology will obviate this roadside practice off the face of the earth!  Regards, OW
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Replying to: circlew (Oct 10, 2007 3:49 am) I think a better solution is to look for a better place to pull off the road. If there isn't one, I'd rather destroy the rim by riding on it for a while, as opposed to destroying my driving enjoyment by riding on RFTs all the time. 
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