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Reference At a glanceControlsDriving tipsMobility
27
Wheels and tires
Correct wheels and tires
In contrast to the descriptions in the Owner's
Manual for the BMW Z4, your BMW Z4 M Road-
ster/Z4 M Coupe is not equipped with Run Flat
tires.
Information for your safety
The factory-approved radial-ply tires are spe-
cifically matched to your vehicle and offer opti-
mal road safety as well as enhanced driving
comfort if used properly.
In the event of a flat tire, proceed as described
under M Mobility System, refer to page 31.
Z4 M Roadster: tire inflation pressures
Z4 M Coupe: tire inflation pressures
Snow chains*
Snow chains may be attached only to winter
tires of the size 225/40R 18 on both rear
wheels.
Do not initialize the Flat Tire Monitor if
snow chains are mounted, otherwise the
instrument might issue an incorrect reading.
When driving with snow chains, you may find it
helpful to deactivate DSC temporarily, refer to
page 18.<
Tire size Pressure specifications in psi/kPa
All pressure specifications in the table are indi-
cated in psi/kilopascal with cold tires, cold = ambi-
ent temperature
Front: 225/45 ZR 18
Rear: 255/40 ZR 18
30/210
–
–
32/220
225/40 R 18 92 V M+S 33/230 36/250
You will find more information about permissible loads and weights on page 41.
Tire size Pressure specifications in psi/kPa
All pressure specifications in the table are indi-
cated in psi/kilopascal with cold tires, cold = ambi-
ent temperature
Front: 225/45 ZR 18
Rear: 255/40 ZR 18
30/210
–
–
32/220
225/40 R 18 92 V M+S 33/230 38/260
You will find more information about permissible loads and weights on page 41.
Online Edition for Part-No. 01 41 0 012 046 - © 04/06 BMW AG