Tire Identification Marks - BMW Z4 sDrive30i Owner's Manual

Tire size
Front: 225/40 R 18 88
W
Rear: 255/35 R 18 90
W
Front: 225/35 R 19 88
Y XL
Rear: 255/30 R 19 91
Y XL
More details on the permissible load and weights, refer to page
Tire inflation pressures Z4 sDrive35is
Tire size
All pressure specifica‐
tions in the table are in‐
dicated in psi/kilopas‐
cal with cold tires.
Cold = ambient tem‐
perature
225/45 R 17 91 H M+S
225/45 R 17 94 V M
+S XL
Front: 225/40 R 18 88
W
Rear: 255/35 R 18 90 W -
Front: 225/35 R 19 88 Y
XL
Rear: 255/30 R 19 91 Y
XL
More details on the permissible load and weights, refer to page

Tire identification marks

Knowledge of the labeling on the side of the tire
makes it easier to identify and choose the right
tires.
192
Online Edition for Part no. 01 41 2 604 231 - 03 10 500
Pressure specifications in psi/kPa
36/250 -
- 42/290
36/250 -
- 42/290
Pressure specifications in psi/kPa
Traveling speeds of up to 100 mph/
160 km/h
36/250 44/300
38/260 -
45/310
36/250 -
- 44/300
38/260
-
36/250
-
224.
Traveling speeds including those
exceeding 100 mph/160 km/h
36/250
38/260
-
36/250
-
224.
Tire size
Example: 225/45 R 17 91 V
225: nominal width in mm
45: aspect ratio in %
-
45/310
-
44/300
44/300
-
45/310
-
44/300