MY 2009 335i Xdrive came with RFT's and I have 44K miles on my car and I've had to replace the run flats twice because of hitting a pot hole which caused a bulge on the side wall which caused the tire to vibrate terribly. Since the BMW is all wheel drive I had to replace all 4 tires on each occasion !
Well Merry Christmas to me, another bulge in my right front tire that is causing massive vibrations ! I am not replacing the tires with RFT's again, but this time I am going with NON Run Flats ! I ordered Continental Extreme Contact DWS tires.
I'll buy a jack, portable air compressor, and a can of fix it flat and keep them in the trunk !
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