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BMW 3-Series Run Flat Tires

2420 messages,  Last post on Nov 29, 2009 at 8:10 AM

You are in the BMW 3-Series Forum. Your Hosts are pat & karens

What is this discussion about? BMW 3 Series, Tires


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#1223 of 2420
Re: Bridgestone Potenza Runflats -- BUBBLES [milesontime] by shipo
Aug 01, 2007 (6:36 am)
Reply

Replying to: milesontime (Aug 01, 2007 5:26 am)

Two questions:
 
 - Are the bubbles only on the outside sidewalls?
 
 - If not, do the bubbles on the inside sidewalls match those on the outside sidewalls (i.e. are they directly across from each other)?
 
If you answered "No" to both questions, then yes, I'd say your tires are defective and should be replaced by Bridgestone.
 
Best Regards,
Shipo
#1224 of 2420
Re: Bridgestone Potenza Runflats -- BUBBLES [shipo] by circlew
Aug 01, 2007 (7:27 am)
Reply

Replying to: shipo (Aug 01, 2007 6:36 am)

I'd say your tires are defective and should be replaced by Bridgestone. ....but it wouldn't hurt for the dealer to make a customer phenomenally happy and take the lead here.
 
Regards,
OW
#1225 of 2420
Re: Bridgestone Potenza Runflats -- BUBBLES [circlew] by actualsize
Aug 01, 2007 (9:27 am)
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Replying to: circlew (Aug 01, 2007 7:27 am)

If seen bubbles caused by striking a pothole. Low-profile tires are more susceptible. I myself suffered a "pinch-flat" in such a situation.
 
But having all four tires suffer such a failure is very odd. If it is due to a manufacturing defect, than I'd guess a whole batch of tires would be so affected - all with the same date code. Bridgestone would have heard other reports.
#1226 of 2420
Re: Bridgestone Potenza Runflats -- BUBBLES [actualsize] by circlew
Aug 01, 2007 (9:45 am)
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Replying to: actualsize (Aug 01, 2007 9:27 am)

I saw all 4 tires on a 2004 Volvo C70 mostly driven in NYC with bubbles on every tire, both sidewalls. The car had around 20-25K miles. They, indeed were low profile tires, as you pointed out, but I do not recall the brand. There was at least 40% tread life on those tires. It was the first and last time I saw anything like that. These were GFT's.
 
Regards,
OW
#1227 of 2420
Re: Bridgestone Potenza Runflats -- BUBBLES [circlew] by milesontime
Aug 01, 2007 (10:14 am)
Reply

Replying to: circlew (Aug 01, 2007 7:27 am)

So here's the deal my the runflats on my 330i:
 
1. I haven't inspected the INSIDE sidewalls, so don't know what's going on there.
 
2. Spoke with the nearby BMW dealership and they tell me bubbles are likely impact damage and, in all events, the tires are not covered by the BMW warranty, and instead I need to talk to Bridgestone.
 
3. Spoke with BMW corporate and they tell me that I need to talk with Bridgestone.
 
4. Spoke with Bridgestone and they said only 1% of tires are defective and that therefore my bubbles are cause by either impact damage (curbs, potholes, etc.) or mounting damage. They said I would have to take the car to a Bridgestone dealer and have the tires removed and inspected, but most likely they would determine that they are not covered by a warranty.
 
This strikes me as ridiculous. I have four tires with bubbles. My coworkers who drive the same roads do not have damaged tires. Obviously something is wrong with these tires.
 
Has anyone been successful in dealing with a situation like this?
#1228 of 2420
Re: Bridgestone Potenza Runflats -- BUBBLES [milesontime] by circlew
Aug 01, 2007 (10:37 am)
Reply

Replying to: milesontime (Aug 01, 2007 10:14 am)

IMO, its probably not worth your time/stress...replace with Continental SSR's. These are good tires I have 10K on them now and they are quiet, handle better than the BS and wearing very well and even. $146 at Tirerack.com.
 
http://www.tirerack.com/tires/Sizes.jsp?make=Continental&model=ContiProContact+S- SR
 
Regards,
OW
#1229 of 2420
Re: Bridgestone Potenza Runflats -- BUBBLES [circlew] by shipo
Aug 01, 2007 (10:47 am)
Reply

Replying to: circlew (Aug 01, 2007 10:37 am)

The 330i that milesontime has the problems with has the Sport Package, and I don't believe that Continental has a low profile RFT that fits the rear wheels of that car.
 
Best Regards,
Shipo
#1230 of 2420
Re: Bridgestone Potenza Runflats -- BUBBLES [shipo] by circlew
Aug 01, 2007 (10:51 am)
Reply

Replying to: shipo (Aug 01, 2007 10:47 am)

My bad. I would hate to recommend the BS again...any other options?
 
Regards,
OW
#1231 of 2420
Re: Bridgestone Potenza Runflats -- BUBBLES [circlew] by shipo
Aug 01, 2007 (11:06 am)
Reply

Replying to: circlew (Aug 01, 2007 10:51 am)

"...any other options?"
 
Well, as you and anybody who's even partially followed this discussion for a while knows (I assume that milesontime is a relatively new member which is why I'm making this post), I would suggest that milesontime buy four new GFTs and a can of Spare Tire in a Can or the Continental ContiComfortKit.
 
http://www.tirerack.com/accessories/conticomfortkit/index.jsp
 
I don't know if this is a solution that is acceptable for our new member, but there it is.
 
Best Regards,
Shipo
#1232 of 2420
Re: Bridgestone Potenza Runflats -- BUBBLES [milesontime] by highlandpete
Aug 01, 2007 (1:17 pm)
Reply

Replying to: milesontime (Aug 01, 2007 10:14 am)

I'm not a fan of the Bridgestone RFT, as some will know from previous posts, but I do come to the defence of the need to check if it is 'impact' damage. Having spent time with a Bridgestone engineer, it is clear that many users run the tyres 'low' on pressure, to try and improve the ride quality. This is a main cause of premature wear and also can contribute to impact/pinch damage. So it can be common for more than one tyre to be damaged on a particular vehicle. What pressures are you running?
 
HighlandPete

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