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Author Topic: Changing from run flats to normal tyres  (Read 3393 times)

Offline ollie288

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Changing from run flats to normal tyres
« on: May 03, 2010, 04:16:42 pm »
My old man has a BMW 3 series m sport and it still has the original factory runflats. (Bridgestone potenzas) He has a screw in his rear tyre and both are  needing changing. Can he change from runflats to normals on the car? For the quieter road noise and reduced costs.
Cheers
Ollie :happy2:
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Offline Andy

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Re: Changing from run flats to normal tyres
« Reply #1 on: May 03, 2010, 09:55:48 pm »
yes you can run normal tyres on run flat rim--never liked the idea of run flat tyres and no spare.just carry a tyre inflator that plugs to the cig lighter in the boot
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Offline Oli

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Re: Changing from run flats to normal tyres
« Reply #2 on: May 03, 2010, 10:12:31 pm »
Yes you can, I did on my last 335, on day one, and I will be doing the same when my new one turns up - They are sh*te!
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Offline jimlad09

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Re: Changing from run flats to normal tyres
« Reply #3 on: May 04, 2010, 12:07:30 am »
ha my dad has a 3 series on run flats but as its a company car hes not overly fussed but he did have pirelli run flats on after bridgestones (came from new) and the difference was very notable. Helps that he has an enthusiastic guy at bmw that pointed him in the right direction.

worth a thought if a plug in inflator doesnt appeal
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Offline animal

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Re: Changing from run flats to normal tyres
« Reply #4 on: May 04, 2010, 12:19:10 pm »
Quote from: Oli on May 03, 2010, 10:12:31 pm
Yes you can, I did on my last 335, on day one, and I will be doing the same when my new one turns up - They are sh*te!

Agreed - My dad ditched the ones on my Mum's new CooperD - aside from anything else, they are so noisey!
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Offline ollie288

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Re: Changing from run flats to normal tyres
« Reply #5 on: May 04, 2010, 12:31:33 pm »
Excellent cheers guys I think he will be happy with that news!

The only issues I could come up with were;
Different wheel structure (deeper lip to hold tyre on the rim), but apparently the new BMW's use the same wheels.
The suspension is set up for run flats. Would this cause any problems or is it only minor tweaks?
No spare tyre or jack. Apparently foam isn't any good due to the size and weight of the vehicle. Would the only option be buying the full spare with jack etc?

Cheers :happy2:
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Offline NeilM

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Re: Changing from run flats to normal tyres
« Reply #6 on: May 04, 2010, 03:40:36 pm »
Pick up new BM this week, first job sort out some propper tyres, 255/30 19's OUCH  :surprised:
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Offline winrya

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Re: Changing from run flats to normal tyres
« Reply #7 on: May 04, 2010, 04:40:50 pm »
Is it ok to run standard tyres when they are supposed to run on run flats.  I remember reading a lot of talk a while ago about insurance companies voiding insurance due to the fact the cars were not designed to run on standard tyres?
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Offline Oli

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Re: Changing from run flats to normal tyres
« Reply #8 on: May 04, 2010, 08:22:22 pm »
Quote from: NeilM on May 04, 2010, 03:40:36 pm
Pick up new BM this week, first job sort out some propper tyres, 255/30 19's OUCH  :surprised:

Im going from 225s and 255 to the oversize of 235 and 265 - had these on my last 335 and they are perfect, offer better rim protection, and a far better ride. 
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Offline NeilM

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Re: Changing from run flats to normal tyres
« Reply #9 on: May 05, 2010, 04:07:38 pm »
Quote from: Oli on May 04, 2010, 08:22:22 pm
Quote from: NeilM on May 04, 2010, 03:40:36 pm
Pick up new BM this week, first job sort out some propper tyres, 255/30 19's OUCH  :surprised:

Im going from 225s and 255 to the oversize of 235 and 265 - had these on my last 335 and they are perfect, offer better rim protection, and a far better ride. 

What were they? Pilot Sport 3's look OK, not sure they do that size yet though.

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Offline Oli

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Re: Changing from run flats to normal tyres
« Reply #10 on: May 05, 2010, 08:19:30 pm »
I had Dunlops Sports, back in 2007, it was all I could get.  I am putting VREDS on my new 335, in the oversize mentioned :happy2:
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