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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > RFT needs RFT rims ?



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      04-23-2008, 06:32 PM   #1
Josephkao
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RFT needs RFT rims ?

Is it true that RF tires need to use special rims?
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      04-23-2008, 10:46 PM   #2
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      04-23-2008, 10:58 PM   #3
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RFT rims...LOL!
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      04-23-2008, 11:04 PM   #4
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Yep, with RFT lugs too. Sorry I had to, but seriously... no.
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      04-24-2008, 01:25 AM   #5
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RFTs were invented by the powers that be to keep the youthful at heart in line.
My next car will have RFTs for approximately 3 hours before they are gone.

DITCH THEM!
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      04-24-2008, 02:17 AM   #6
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Actually with the OEM wheels which are standard with RFT's they are a lot heavier and stronger than say OEM wheels of the same size for E46 which didn't come with RFTs. I believe BMW had to make the "lightweight" alloy wheel not so lightweight anymore with RFTs to increase the strength of the wheel to withstand the amount of additional shock which transfers from the hard sidewalls to the wheel.

Just a theory. So if you are looking to put on RFTs, make sure u have stronger wheels to take the punishment.
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      04-24-2008, 02:25 AM   #7
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A dumbass Bmw service advisor once told me that this was the case....They really shouldnt be spreading B.S. like this around just so people fork out the extra $$ to pay for those godawful tires.
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      04-24-2008, 02:31 AM   #8
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This has been discussed a number of times before, RFT's are supposed to be mounted on EH2 (Extended Hub) rims, they bear an extra ridge on the barrel of the wheel that's designed to keep the tire from falling off should there be a total loss of pressure. This is not to say that RFT's physically require an EH2 rim to be mounted, the tire just may or may not do it's job if something bad were to happen.
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      09-23-2008, 06:36 PM   #9
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bump
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      09-23-2008, 09:04 PM   #10
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The ONLY RFT "solution" I know of that requires any sort of special rim is the Michelin PAX system: http://www.michelinman.com/pax/
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