driving on a flat tyre ...non run flat !

[ASH]

LOL, sounds like one of those "my BMW this and my BMW that" type of guy, but doesn't know a god damn thing about his own car besides running his mouth...........:biglol:

 

[cOlDFuSiOn]

:bangdesk:

 

[tinovittee]

Such ignorance deserves that repair bill! Although he sounds like the guy who will now go get a 2nd set of TSW's and an adapter plate to fit it to his car...

 

[bmsportzn135i]

Thats some expensive school fees to pay!

 

[Chucky]

But isn't a 130i supposed to have run flats anyway?:fencelook:

Yes he got it wrong by thinking the rims have anything to do with it, maybe the people/person he bought the car from lied to him(they didn't want to replace tyres with run flats and just put normal ones on) and he didn't know any better.

Still an expensive lesson

 

[ASH]

Not sure about that myself. But thing is, this guy thought that RFT had something to do with his rims not the tyres, as mentioned by Ralf.

That's where the element of stupidity comes in.

But isn't a 130i supposed to have run flats anyway?:fencelook:

Yes he got it wrong by thinking the rims have anything to do with it, maybe the people/person he bought the car from lied to him(they didn't want to replace tyres with run flats and just put normal ones on) and he didn't know any better.

Still an expensive lesson

 

[Fordkoppie]

run-flat technology has nothing to do with the design of the rim,

Actually that is incorrect.

Yes, the thick sidewalls of the runflat tyre is the most important part of being able to drive a deflated tyre, but without a properly designed rim, a runflat tyre is useless.

If you look at the picture, you will see a runflat compatible rim has an extra "lip" that sits on the inside the tyre bead. In the event of sudden deflation, that lip retains the bead and therefore the sidewall of the tyre on the edge of the rim.

Without this extra lip, even a runflat tyre would simply collapse towards the middle of the rim just like a normal tyre and you would be stranded - just like a normal tyre.

Here is another pic:

 

[Chismakop]

:nonono:

 

[Chucky]

run-flat technology has nothing to do with the design of the rim,

Actually that is incorrect.



Without this extra lip, even a runflat tyre would simply collapse towards the middle of the rim just like a normal tyre and you would be stranded - just like a normal tyre.

Thanks I never knew that, I've always thought RFT was dependant on the tyres alone:thumbs:

 

[Sabretooth tiger]

Now imagine if this guy had X5 rims on his car, he would be offroading

 

[Sankekur]

run-flat technology has nothing to do with the design of the rim,

Actually that is incorrect.

Actually Mr Ford, you will find that you both are in fact incorrect.

Run-flats actually functions by means of a rare gas-like substance called Aether, it is present in all new unused run-flat tires. Previously Aether was was used to carry radio waves, but this was decommissioned in 1897 due to budget cuts, since then the electromagnetic spectrum has been used instead.
Aether has since been "rediscovered" and been used in run-flat tyre technology. Its presence in the tyre allowed the tire to be inflated with normal air but has the special property that strengthens the tyre when there is a puncture or something similar, the only drawback is that it escapes during such an event, only leaving the strengthen tyre. This only last until the tyre is removed from the wheel. Aether can only be integrated with a tyre during manufacture, so this is why a run-flat cannot be repaired and reused once damaged.
Its actually pretty amazing really because it looks no different from a normal tyre.

 

[ASH]

opcorn:

:rollsmile:

 

[Fordkoppie]

Interesting, but irrelevant.

Everyone knows BMW will never let you go alone without a whole drum full of Aether hidden inside the black box in case of an emergency.

They just wont make that mistake :rollsmile:

 

[Ralf*]

run-flat technology has nothing to do with the design of the rim,

Actually that is incorrect.



If you look at the picture, you will see a runflat compatible rim has an extra "lip" that sits on the inside the tyre bead. In the event of sudden deflation, that lip retains the bead and therefore the sidewall of the tyre on the edge of the rim.


Without this extra lip, even a runflat tyre would simply collapse towards the middle of the rim just like a normal tyre and you would be stranded - just like a normal tyre.

Never to old to learn something new :thumbs::thumbs:

and thats why, even though his tyres were normal, the sidewalls remained on the rim, minimizing the overall damage to his rims.

:thumbs::ty:

 

[Philip Foglar]

I remember watching the guys at Autoquip Tygervalley battle with the replacing of tyres on a Lexus IS250 which also use RFT's, but with a completely difference wheel design - it has a type of plate that round around the inside of the wheel and is bolted tight or something to that effect, really stupid looking system, and seemed to have these guys all thumbs and fumbling about! And this was before they got as far as fitting the new tyres!

But with BMW and newer RFT technology, the added rim-ridge as well as, I am sure, extra overall strength is what goes into RFT wheel design. I wonder how effective this ridge would be at keeping a normal tyre on the rim compared to a normal wheel for a few seconds after a puncture to at least assist in maintaining control...

The 1 Series used RFT's, so nothing wrong with the owner expecting the car to have them unless the dealership said otherwise, but clearly he did not check for himself and just assumed, and we all know what assuming leads to!!

 

[Fordkoppie]

I wonder how effective this ridge would be at keeping a normal tyre on the rim compared to a normal wheel for a few seconds after a puncture to at least assist in maintaining control...

Very.

The M system wheels on the e34 M5 also have this ridge even though it was way ahead of RFT tyres at the time.

Now on one of my previous e34 M5s, I once got a blowout @ 250 in the left rear and miraculously managed to maintain control. When I finally got to a standstill the sidewalls were still located on the edge of the rims even though everything was ripped to shreds

This is where I decided to never tempt fate again with fong kong tyres

These were Falkens BTW

 

[Jamaine]

:fishwack::bangdesk:

 

[gijo]

Eish!!!!
:nonono:

 

[littleg]

1 series isn't frontwheel drive ?



nt srs

 

[Gilbert]

:fencelook"