Originally Posted by BM635
Thanks for clarifying the fact that those are run-flats. I have PZeros (non RF) on my RS6 and C63, works great on both cars, so wouldn't mind getting them for the M135i as well, if the new generation RF are similar in ride comfort and handling to the non RF.
I have not driven the car for long enough to give proper feedback but they dont transmit harsh bumps as badly as the older runflats that i have experienced. They have an extra large lip sticking over the rim and very rounded edges rather than square.