Quote:
Originally Posted by Tom K.
The biggest thing wrong with runflats is their high price and loads of misinformation on the internet! While the ride tends to be a bit stiffer, this is compensated by less weight (no spare), more luggage space and the ability to continue a journey without pause.
Tom
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I don't know if the weight savings are that great. But the unsprung weight penalty for RTF's is significant.
I think the ride quality of the RTF's is a little overstated, but in the decision process of buying my 128i, i wish i had known:
-not many places will repair a runflat, even if you haven't driven a single foot on them with the TPMS warning light on, even though RTF's are most certainly repairable in this situation.
-Since RTF's are officially 'unrepairable' they are a waste of resources. Especially when being halfway worn, one replacement will mean you have to shave the new tire, or get both replaced.
-runflats don't grip as well
-RTF's add to the unsprung weight of the car.
-If you're on a road trip a flat RTF is much more inconvenient since you have to have it replaced.
Of course, you can just ditch the things and get real tires....