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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 11-07-2013, 05:23 PM
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Greggl52 Greggl52 is offline
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Run flats

I just got a BMW as my first car but it has run flats and i was wondering when it comes time to change the tires will normal tires fit on the rims or does BMW have special rims for run flats that will make me have to go purchase new rims?
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  #2  
Old 11-07-2013, 05:41 PM
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captainaudio captainaudio is offline
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You can replace the RFTs with regular tires without changing rims.

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Old 11-07-2013, 05:44 PM
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Thanks
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Old 11-07-2013, 10:33 PM
sptt144 sptt144 is offline
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...and at a lot less cost.
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Old 11-08-2013, 04:47 AM
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captainaudio captainaudio is offline
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Run flats

The OEM Bridgestones would be overpriced if they were free.


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Old 11-08-2013, 07:47 AM
daytrader daytrader is offline
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Since the suspension is tuned for RFTs does replacing them with reg tires in anyway hamper handling ability. I realize comfort is night and day. I'm coming up to needing tires soon myself and wondered if I'd compromise cornering with a tire change?
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Old 11-08-2013, 08:12 AM
Spagolli94 Spagolli94 is offline
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Most would agree that handling improves by ditching the crappy RFTs.
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  #8  
Old 11-08-2013, 08:26 AM
rt-texas rt-texas is offline
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Best thing I ever did was ditch the run flats. Dearly love the way she rides now!
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  #9  
Old 11-08-2013, 09:01 AM
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CALWATERBOY CALWATERBOY is offline
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Quote:
Originally Posted by Greggl52 View Post
I just got a BMW as my first car but it has run flats and i was wondering when it comes time to change the tires will normal tires fit on the rims or does BMW have special rims for run flats that will make me have to go purchase new rims?

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And, inexperience. Yes. Lacking the scars and determination of grizzled BimmerFest veterans in this forum, you, G52, are what the rest of us want to be.

Yet there's something to be said for having done it before, and very fortunately, you can access that knowledge!!!

Yes. Yes! Look HERE to begin your journey to a larger consciousness. Then, consult THIS to widen your view. You have taken your first steps.

Good luck, G52! Let no man stop you now!


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Old 11-08-2013, 10:37 AM
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Dr. 328xi Dr. 328xi is offline
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Quote:
Originally Posted by Greggl52 View Post
I just got a BMW as my first car but it has run flats and i was wondering when it comes time to change the tires will normal tires fit on the rims or does BMW have special rims for run flats that will make me have to go purchase new rims?
There's a fair amount of discussion in the F30 forum about RFTs...including one poster who was adamant about NOT having them on his car only to go 4 months without realizing he actually did have them and didn't realize it. Point there being that some of the newest RFTs aren't as horrible as the older ones.

If you do ditch the RFTs, you'll need some type of fix-a-flat emergency kit in the car since you won't have a spare, so don't forget about that.

And, if you ditch the RFTs, take a look at the Continental DWS as a solid all-weather option. Not sure how much snow you get in your area, but the DWS does a nice job in dry/wet conditions and still holds on admirably in reasonable amounts of snow.
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  #11  
Old 11-08-2013, 11:13 AM
Tom K. Tom K. is offline
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Originally Posted by Dr. 328xi View Post
And, if you ditch the RFTs, take a look at the Continental DWS as a solid all-weather option. Not sure how much snow you get in your area, but the DWS does a nice job in dry/wet conditions and still holds on admirably in reasonable amounts of snow.

+1. And with a tread wear rating of 540, they are probably the most cost-effective tire you can buy. The only caveat is that the initial turn in will feel a bit mushy compared to RFTs, but the grip will still be excellent. If the feel bothers you, adding a few psi to each tire will help - although it will give a slightly rougher ride than is really necessary.

Tom
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  #12  
Old 12-26-2013, 06:21 AM
chrise00 chrise00 is offline
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I have had run flats in 2011 BMW 328xi and am amazed at how they take potholes. Touch wood not one flat yet and I have had some pretty loud bangs this past 3 years. Where I live one cannot avoid potholes all the time as they get filled with ice and snow then melt and are ready to spring the trap. Compared to the A6 where I got through 5 or 7 tires in 3 years. Question is what is cost of replacement?
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  #13  
Old 12-26-2013, 07:18 AM
Watchme Watchme is offline
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Originally Posted by chrise00 View Post
I have had run flats in 2011 BMW 328xi and am amazed at how they take potholes. Touch wood not one flat yet and I have had some pretty loud bangs this past 3 years. Where I live one cannot avoid potholes all the time as they get filled with ice and snow then melt and are ready to spring the trap. Compared to the A6 where I got through 5 or 7 tires in 3 years. Question is what is cost of replacement?
Tires impress you at their ability to enlarge the potholes?.. Hmmm, would you recommend a beer that doesn't break as easily when I smash it on the bar please?
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  #14  
Old 12-26-2013, 07:37 AM
chrise00 chrise00 is offline
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Sorry I don't get the humor? To spell it out I'm impressed I can own a car for 3 years and never have to swap out a tire. That is a lot of hassle gone. As I say the A6 'performance tires' would blow out regularly.
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Old 12-26-2013, 08:54 AM
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Mark K Mark K is online now
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Re: Run flats

Quote:
Originally Posted by chrise00 View Post
Sorry I don't get the humor? To spell it out I'm impressed I can own a car for 3 years and never have to swap out a tire. That is a lot of hassle gone. As I say the A6 'performance tires' would blow out regularly.
And you think run flats don't? You can search here and on F10 forum and see people who went through 5-6 tires+couple of rims in a lease period.

As a matter of fact, people on this forum with destroyed tires recommended switching to normal tires that seemed to resist better.

You are (most probably) having two factors playing in your favor:

1. Highest and softest suspension BMW makes for 3 series. No sport with AWD like Audi does.

2. 17" wheels with tall sidewalls

That would help a lot. If you were to try the original recipe of sport suspension and 18/19" wheels from 2007 vintage ... that would be a tad different story.

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