Quote:
Originally Posted by HighlandPete
Regarding the warranty, once you move from OEM fitment it can often depend on your relationship with the garage you use. Unless the tyres actually cause a failure or damage to some other part, there should be no issue anyway. The issue of BMW ES recovering/sorting a car without RFTs, due to a tyre failure could be an issue as BMW have indicated in the past, (not to me personally) they may not support in the same way. Whether that means they would send a bill for assistance, if you are on non run-flats, I don't know.
As to handling, that will obviously be changed, but to what degree will depend on the tyres chosen, wheel size and suspension fitted to the car. Also does the user want a softer feel to the car, as part of the ride quality improvement? Likely so. I understand the difference is not as marked on the latest cars as the early models, back in the early days of RFTs.
HighlandPete
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I'm not noticing any real difference at all in terms of handling etc, just a softer quieter ride.