Have you considered dropping run-flats altogether? Every Z4 owner
that's ever done it has RAVED about the improvement to ride and
handling that good regular tires gives - check www.z4um.com. I'll be
adding M3 replicas to mine, and I'm making the switch then.
2003 BMW 325i Black/Black
2003 BMW Z4 Black/Black
Yes, I'm also considering the Goodyear F1 GS-D3 along with a 12v air
compressor & flat plugging kit. But if the run-flat Contis perform anywhere
near the (non run-flat) Sport2 tires, I would use them, as the price is
almost the same as the Goodyears.
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