new Z4 roadster, due in dealer showrooms this month, will ride
on Bridgestone Potenza RE050 RFT run-flat leading edge technology
Z4 2.5i base model comes with Bridgestone Potenza RE050×
RFT run-flat in a 225/50R16 92V. The optional 17" tire
package on the 2.5i includes the 225/45R17 91W Potenza RE050A×
The higher-performing, even more extensively equipped BMW
Z4 3.0i model is equipped with 225/45R17 91W Potenza RE050A×
RFT run-flat, with an optional 18" tire combination that
includes the 225/40R18 88W Potenza RE050A× RFT in the
front and the 255/35R18 90W Potenza RE050A× RFT in the
corporation engineers have worked closely with BMW engineers
for the past three years on the development program for this
application," said Michael Martini, vice president, Bridgestone/Firestone
North American Consumer Tire OE Sales. "We're very pleased
to showcase our run-flat technology on this prestigious roadster
Martini continued to say Bridgestone/Firestone has been supplying
tires to BMW's Spartanburg, S.C. plant since 1999. In addition
to the new Z4, Bridgestone brand tires are original equipment
on the BMW X5, 3 Series, 7 Series and the ultra high performance
Bridgestone Potenza RE050 RFT is a run-flat tire that continues
to function safely up to a designated speed and distance after
losing pressure. It is a self-supporting run-flat tire employing
a special rubber sidewall reinforcement to carry the weight
of the vehicle following deflation.
the Z4, Bridgestone run-flat tires are an integral component
of BMW's Run-Flat Combination (RFC) wheel-tire system. This
system consists of self-supporting run-flat tires, specially
developed Extended Hump wheel rims and a Flat Tire Monitor.
The Extended Hump wheel does not require special mounting
more information on Bridgestone run-flat tires, click here.
more information on BMW Z4, click here.
learn more about run-flat tires, click here.