Tire size Pressure specifications in bar/PSI
Rear: 255/35 R 18 90 W RSC - 2.9/42 - 3.2/46
Front: 225/35 R 19 88 Y XL RSC 2.5/36 - 2.5/36 -
Rear: 255/30 R 19 91 Y XL RSC - 2.9/42 - 3.0/44
More details on the permissible load and weights, refer to page 204.
Tire inflation pressures Z4 sDrive35is
Tire size Pressure specifications in bar/PSI
Traveling speeds of up
to 100 mph/160 km/h
Traveling speeds in‐
cluding those exceed‐
ing 100 mph/160 km/h
All pressure specifications in the table are in‐
dicated in bar/psi with cold tires.
Cold = ambient temperature
225/45 R 17 91 H M+S RSC
225/45 R 17 94 V M+S XL RSC
2.5/36 3.0/44 2.5/36 3.0/44
Front: 225/40 R 18 88 W RSC 2.7/39 - 2.7/39 -
Rear: 255/35 R 18 90 W RSC - 3.2/46 - 3.2/46
Front: 225/35 R 19 88 Y XL RSC 2.5/36 - 2.5/36 -
Rear: 255/30 R 19 91 Y XL RSC - 3.0/44 - 3.0/44
More details on the permissible load and weights, refer to page 204.
Tire identification marks
Knowledge of the labeling on the side of the tire
makes it easier to identify and choose the right
tires.
Tire size
Example: 225/45 R 17 91 V
225: nominal width in mm
45: aspect ratio in %
R: radial tire code
17: rim diameter in inches
91: load rating, not for ZR tires
V: speed rating, before the R on ZR tires
Speed letter
Q = up to 100 mph/160 km/h
T = up to 118 mph/190 km/h
H = up to 131 mph/210 km/h
V = up to 150 mph/240 km/h
W = up to 167 mph/270 km/h
Y = up to 186 mph/300 km/h
Seite 158
Mobility Wheels and tires
158
Online Edition for Part no. 01 40 2 609 184 - 09 11 500
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