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7 Series - F01 / F02 (2009 - current)
The new re-designed 7 series F01 / F02 leads off the BMW Fxx chassis code!

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  #1  
Old 03-21-2013, 01:52 AM
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haastx10 haastx10 is offline
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How long are Run Flats lasting?

Curious as to how many miles others are getting from their Run Flats? I'm about to replaced my original 20" Pirelli's on the rear at 12k miles... True I'm an aggressive driver but I'm not burning the rubber off and I've never had to replace tires so soon... even on my X5. Definitely not doing run flats again though!
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  #2  
Old 03-21-2013, 02:56 AM
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Leslierc Leslierc is offline
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I've had experience with these tires by Dunlop, Bridgestone, Goodyear, and Pirelli. The Dunlops were like driving on "wheels by Flintstone"...hard as rocks. The others were decent. Tread life was the poorest on the Pirellis, which were the PZeros I had on my 135i. I would say you're doing really well to get 12K miles on those. If I could make a recommendation, consider "going naked" and throw a set of Michelin Pilots on your 7. That's how I'm riding now...Porsches don't have run flats or spares...and how I rode in my M6 and the two SC430s I used to own. One caution...if you go with the Super Sports, know that they are grippy as hell, but will wear-out even faster than the PZeros.
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Last edited by Leslierc; 03-21-2013 at 03:00 AM.
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  #3  
Old 03-21-2013, 05:42 AM
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1bad540 1bad540 is offline
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ditch the run flats, continental has a nice compressor seler kit for about 100.oo can also just be used as compressor. I keep one in all my cars, on my viper I also ditched the runflats and I also keep a cheap plug kit just in case.
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  #4  
Old 03-21-2013, 08:04 AM
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rajeek rajeek is offline
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Originally Posted by 1bad540 View Post
ditch the run flats, continental has a nice compressor seler kit for about 100.oo can also just be used as compressor. I keep one in all my cars, on my viper I also ditched the runflats and I also keep a cheap plug kit just in case.
I am interested in dumping my run flats. Can you post a link to this continental kit. Thanks!
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  #5  
Old 03-21-2013, 10:18 AM
coole65i coole65i is offline
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+1 Run Flats SUCK!!! I can't wait till I go through my set.
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  #6  
Old 03-21-2013, 10:45 AM
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rajeek rajeek is offline
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Originally Posted by rajeek View Post
I am interested in dumping my run flats. Can you post a link to this continental kit. Thanks!
Found it. Here's the link for anyone.

http://www.tirerack.com/accessories/detail.jsp?ID=38
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  #7  
Old 03-21-2013, 03:08 PM
Emilner Emilner is offline
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I'm at 13k miles on the 7 and I have 75-80% tread. Stock badyears. When they are done I will probably get a set if pilot SS.
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  #8  
Old 03-21-2013, 03:47 PM
coole65i coole65i is offline
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Quote:
Originally Posted by rajeek View Post
found it. Here's the link for anyone.

http://www.tirerack.com/accessories/detail.jsp?id=38
awesome!
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  #9  
Old 03-23-2013, 12:39 PM
sdadept sdadept is offline
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about 12k for me. sadly
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  #10  
Old 03-23-2013, 04:05 PM
NickyBlack NickyBlack is offline
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2-3k so far on the fronts, due to bubbles.
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  #11  
Old 03-23-2013, 05:28 PM
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haastx10 haastx10 is offline
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Quote:
Originally Posted by Leslierc View Post
I've had experience with these tires by Dunlop, Bridgestone, Goodyear, and Pirelli. The Dunlops were like driving on "wheels by Flintstone"...hard as rocks. The others were decent. Tread life was the poorest on the Pirellis, which were the PZeros I had on my 135i. I would say you're doing really well to get 12K miles on those. If I could make a recommendation, consider "going naked" and throw a set of Michelin Pilots on your 7. That's how I'm riding now...Porsches don't have run flats or spares...and how I rode in my M6 and the two SC430s I used to own. One caution...if you go with the Super Sports, know that they are grippy as hell, but will wear-out even faster than the PZeros.
Definitely ditching the run flats... Already reshoed the 6 with Continental ExtremeContact DWS and happy with handling as well as road noise. Going with the same on the rear of the 7.
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  #12  
Old 03-23-2013, 06:18 PM
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Every time I hear or see run flats, I get pissed off. Never again for me, as soon as my RFs wear out, I will be going with something else. I dont remember what the brand was, I think Goodyear, but I got around 20k on my Lexus GS460. That I can live with, but not 12-15k
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  #13  
Old 03-24-2013, 10:47 AM
Wolfman64 Wolfman64 is offline
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Quote:
Originally Posted by haastx10 View Post
Definitely ditching the run flats... Already reshoed the 6 with Continental ExtremeContact DWS and happy with handling as well as road noise. Going with the same on the rear of the 7.
+1 on the Pilot Super Sports and the Conti Tire Fix kit.

Have both on our SL.

Why go with all-season when you have the climate for high performance summer tires? The PSS are much better tires and come at a decent price.

The PSS are also supposed to last longer than other performance tires although I can't vouch for that yet. My PS2 rears burned up at a rate of 15k miles (but that's with 600 foot pounds of torque)
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Old 03-24-2013, 12:36 PM
Emilner Emilner is offline
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I can't believe people are burning up their rfts in 12k miles. I'm just hitting 13k and they look almost new...
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  #15  
Old 03-25-2013, 05:16 PM
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azbimmer azbimmer is offline
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Quote:
Originally Posted by haastx10 View Post
Definitely ditching the run flats... Already reshoed the 6 with Continental ExtremeContact DWS and happy with handling as well as road noise. Going with the same on the rear of the 7.
Make sure you change all 4 tires to non RFs. Otherwise you have a very unsafe car with different tire dynamics in front and rear.

My RF Pirellis lasted 20K and 14K miles, before I changed to Conti DWS with a Conti tire kit, similar to one that comes standard on all M models.
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  #16  
Old 03-26-2013, 04:25 PM
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BMR2009 BMR2009 is offline
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I ditched the RF when they went bald at about 18,000 and put NRF on. Car drives better compared to the RF, no question about it. Those RF are a total rip off, IMO.

Also, do your homework; if you buy Contis, you better be sure you can get them if you have a flat. In Dallas it's a 5-7 day wait to get those tires in, and they don't carry them in stock (Discount Tire). This is why I went with Pirellis they stock all over the darn place. One blows, no problem. They have them from coast to coast.
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  #17  
Old 03-26-2013, 11:11 PM
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haastx10 haastx10 is offline
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Quote:
Originally Posted by azbimmer View Post
Make sure you change all 4 tires to non RFs. Otherwise you have a very unsafe car with different tire dynamics in front and rear.

My RF Pirellis lasted 20K and 14K miles, before I changed to Conti DWS with a Conti tire kit, similar to one that comes standard on all M models.
Interesting you mention that. I would think that as long as you have paired tires front and rear everything should be good... Seems that's not the case. Immediately noticed squirmy characteristic... felt like back was pushing front under load. Must have something to do with side wall composition... Going back for new front tires in am! Thanks for the advice azbimmer!
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Old 03-26-2013, 11:24 PM
Darryl79 Darryl79 is offline
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What if you have the tire/wheel warranty? If you have a fault with the tire and they require a replacement, they replace it with another RFT correct? Does anyone make a "soft(ef)" RFT that doesn't beat you up? It surely has to be a better ride then my 370z offered!

Edit: Forgot to say I have the Bridgestone Potenza tires on mine. Currently at 14.3k miles

Last edited by Darryl79; 03-26-2013 at 11:26 PM.
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  #19  
Old 03-26-2013, 11:30 PM
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haastx10 haastx10 is offline
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Originally Posted by Darryl79 View Post
What if you have the tire/wheel warranty? If you have a fault with the tire and they require a replacement, they replace it with another RFT correct? Does anyone make a "soft(ef)" RFT that doesn't beat you up? It surely has to be a better ride then my 370z offered!
Replacements under warranty should be like tire... possibly prorated. Problem with that is then you have one new and one used... and will have to spring to replace the other tire to keep things balanced.

My rears were just worn out. Front still have 5-8K miles left on them but like azbimmer mentioned the driving dynamics are all squirrelly so I'm gonna have to replace them too...
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Old 03-26-2013, 11:49 PM
BaranE BaranE is offline
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Quote:
Originally Posted by Wolfman64 View Post
+1 on the Pilot Super Sports and the Conti Tire Fix kit.

Have both on our SL.

Why go with all-season when you have the climate for high performance summer tires? The PSS are much better tires and come at a decent price.

The PSS are also supposed to last longer than other performance tires although I can't vouch for that yet. My PS2 rears burned up at a rate of 15k miles (but that's with 600 foot pounds of torque)
Couldn't find any other tire than either Pirelli or Conti on the 19s. What size tire & rim are you guys running with the Michelin SuperSporst?
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Old 03-27-2013, 01:52 AM
Wolfman64 Wolfman64 is offline
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Originally Posted by BaranE View Post
Couldn't find any other tire than either Pirelli or Conti on the 19s. What size tire & rim are you guys running with the Michelin SuperSporst?
Have the PSS on the Mercedes.

I will switch to non-run flats on the BMW when switching to 21" or maybe 22"
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Old 03-27-2013, 10:23 AM
BaranE BaranE is offline
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PSS isn't built on our size. 245/45 and 275/40 R19.
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  #23  
Old 03-29-2013, 07:15 PM
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haastx10 haastx10 is offline
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Quote:
Originally Posted by haastx10 View Post
Replacements under warranty should be like tire... possibly prorated. Problem with that is then you have one new and one used... and will have to spring to replace the other tire to keep things balanced.

My rears were just worn out. Front still have 5-8K miles left on them but like azbimmer mentioned the driving dynamics are all squirrelly so I'm gonna have to replace them too...
Ok... So as they say the proof is in the pudding! Replaced the front run flats and everything is back to normal! Car drives and handles great!! Definitely better ride quality!!

So lesson learned! NEVER mix run flats with non run flats even on same axel. The car became completely unpredictable especially during load inducing maneuvers such as accelerating while passing. I can not stress how dangerous this car felt!!

If you have heartache about ditching tires that still have tread life save them and put them back on with other appropriate run flats when you trade car in or turn in lease!
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Old 03-29-2013, 09:49 PM
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azbimmer azbimmer is offline
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Quote:
Originally Posted by haastx10 View Post
Ok... So as they say the proof is in the pudding! Replaced the front run flats and everything is back to normal! Car drives and handles great!! Definitely better ride quality!!

So lesson learned! NEVER mix run flats with non run flats even on same axel. The car became completely unpredictable especially during load inducing maneuvers such as accelerating while passing. I can not stress how dangerous this car felt!!

If you have heartache about ditching tires that still have tread life save them and put them back on with other appropriate run flats when you trade car in or turn in lease!
Glad you are enjoying the non RFs. Now get a Conti emergency tire inflation/repair kit from Tirerack.
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Old 04-01-2013, 02:43 PM
Gundo Gundo is offline
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34k miles from my stock Goodyear RFTs on front. Interesting that outsides of both front tires are worn smooth. Must need an alignment. Backs have 5 or 6 k miles. debating non-RFTs. Did this on my 535 and loved every minute of them. Changed the car for the better.
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