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F10 M5 (2012 - Current)
The count down is on. The BMW M5 F10 will be released on April 1st, 2011!

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  #1  
Old 03-23-2013, 09:26 AM
mychung000 mychung000 is offline
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Run Flat Tire Issues?

M5 Owners,

In the other F10 forum, most of the owners have 19" RFTs and have had bubble problems with them. ! They also have 18" RFTs and similar but not as often bubble issues. The F10 M5 comes with 20" RFTs. I'd be interested to know if you've been having the same bubble issues on the 20" RFTs. Do you guys have Goodyear 20" RFTs or are they another brand like Michelin or Pirelli RFTs?

Thanks for your insights.

mychung000
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  #2  
Old 03-23-2013, 03:46 PM
droidfan droidfan is offline
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As far as I know, the F10 M5 comes standard only with non run flats (19 or 20) Michelin Pilot Super Sport. You cannot find any run flat with the standard R19 or R20 wheels. The R20 can have the Pirelli P Zero but not the R19.

Hth
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  #3  
Old 03-23-2013, 09:56 PM
mychung000 mychung000 is offline
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Actually, according to the brochure it comes standard with 19" Runflats on page 19) and 20" optional Runflats
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  #4  
Old 03-23-2013, 10:49 PM
SANguru SANguru is offline
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Quote:
Originally Posted by mychung000 View Post
Actually, according to the brochure it comes standard with 19" Runflats on page 19) and 20" optional Runflats
incorrect. It comes with michelin pilot super sports.
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  #5  
Old 03-23-2013, 10:59 PM
droidfan droidfan is offline
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I confirm you are incorrect. The F10 M5 comes with Michelin Pilot Super Sport.

See Performance tire reference here:

http://www.bmwusa.com/Standard/Conte...fications.aspx

You are probably looking at the F10 550 documentation as the 550 can accept RFT. See it there:

http://www.bmwusa.com/Standard/Conte...s/Default.aspx


Quote:
Originally Posted by mychung000 View Post
Actually, according to the brochure it comes standard with 19" Runflats on page 19) and 20" optional Runflats
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  #6  
Old 03-24-2013, 08:10 AM
mychung000 mychung000 is offline
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Interesting - here is link for the M5 brochure (just look at pages 36-37, bottom right corner) and the reference that you provided did not indicate RFT or not, just the tire size. (I believe I know what the difference between a M5 and a 550 ). However, if you own one, you should know what type of tires you have, so maybe BMWUSA is just out of date and doesn't know what they are putting on their cars.

(http://www.bmwusa.com/standard/conte...1-cd31cb01c48f )
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  #7  
Old 03-24-2013, 05:18 PM
droidfan droidfan is offline
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Yes, I can see that too, but this is totally wrong and should come to the "Wheel and tire specifications are subjet to change" disclaimer.

I have driven several F10 M5 and the tires were not RFTs for sure but only Michelin PSS. I checked if using RFTs was an option (for ease of convenience when dealing with a puncture for example) but no brand is offering such tire in 265/40R19 nor 295/35R19 (nor in R20).

The Nissan GTR has some RFTs mounted and thus should give the argument that it is possible to have RFTs on a sport like car but I guess there should have been some technical difficulties that led BMW to select the Michelin PSS (I have heard that the Nissan GTR ones are very specific).

Go to http://www.tirerack.com/ for convincing you.


Quote:
Originally Posted by mychung000 View Post
Interesting - here is link for the M5 brochure (just look at pages 36-37, bottom right corner) and the reference that you provided did not indicate RFT or not, just the tire size. (I believe I know what the difference between a M5 and a 550 ). However, if you own one, you should know what type of tires you have, so maybe BMWUSA is just out of date and doesn't know what they are putting on their cars.

(http://www.bmwusa.com/standard/conte...1-cd31cb01c48f )
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Old 03-24-2013, 05:21 PM
snapdapro snapdapro is offline
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i hate the ride/feel of run flats. i changed all of mine out and I have a smoother ride and better handling.
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  #9  
Old 03-24-2013, 05:36 PM
droidfan droidfan is offline
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Yes, I can confirm that RFTs ride is a bit harsh (more bumpy and more noisy) compared to regular or performance tires.

Quote:
Originally Posted by snapdapro View Post
i hate the ride/feel of run flats. i changed all of mine out and I have a smoother ride and better handling.
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  #10  
Old 03-24-2013, 05:42 PM
mychung000 mychung000 is offline
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ok - Thanks for your help.
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