My 2003 Z4 has a bit over 29,000 on the OE Bridgestone 050A tires with about
3.5~4/32" tread depth remaining, so they will soon be replaced. They were
rotated once (front to back) at 16,000 miles.
No problem mounting conventional tires as long as the installer has the
proper equipment. Many Z4 owners have commented favorably on the (non-run
flat) Goodyear F1 GS-D3 as a replacement for the OEM Bridgestone 050
run-flats. (You might want to carry a plug kit & compressor if your car
doesn't have a spare.)
F1 GS-D3s. The way it works is that you can fit conventional tires to
RFT wheels, but you can't fit RFTs to wheels not made for RFTs.
According to the tire shop that did my car, that applies to all cars,
not just the Z4.
"Everybody wants a normal life and a cool car;
most people will settle for the car." Chris Titus
2003 BMW 325i Black/Black, 2003 BMW Z4 Black/Black
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