Had these tures fitted to my e92 335i rwd in a staggered setup (225/45 r17 F and 255/40 R17 R). Bought the car used with these tires in Germany. They felt very crashy over road imperfections and the grip was not that good.

Fitted to E90 M Sport. Front tires wore uneven and wore out of round resulting it having to be replaced after just 25000km. Rear tires wore down to limit after 30000km. Tire has much better grip and comfort than Bridgestone RE050A RFT.

These tires lasted about 30,000 miles on my BMW 320. Some criticise the comfort of run flat tires but car has a very good ride - probably because the tires are the standard higher profile ones that come on 16 inch wheels as opposed to the more "macho" low profile tires that feature on higher spec BMW's.

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Brilliant tires very grippy in the dry and excellent in the wet, wearing well too they are down to 7mm after 8k.

This tire lies in the front of my car, wears very unevenly and generates terribly loud noise. It has rim protection that didn't fully stop my whe els from kissing the curb. It is very old tires design, even its successor CSC3 is being replaced by CSC5. So luckily I don't have to buy this tire again.

Having suffered with Bridgestone Potenza Runflats when the car was new I replaced the rears at 16000 miles with these Conti SportContact 2 SSR Runflats and what a fabulous difference. Car now sticks to road like glue, ride comfort very much better and am no longer frightened of driving on wet roads, of which we have too much in west Scotland.
Why don't BMW fit these as original equipment instead of those dreadful Potenza 's?