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Tire size Pressure specifications in
bar/PSI
All pressure specifications in the table are indicated in bar/PSI
with cold tires.
Cold = ambient temperature
225/50 R 17 94 V
225/50 R 17 94 H M+S RSC
2.6/38 3.0/44
225/45 R 18 91 W RSC
225/45 R 18 91 H M+S RSC
2.8/41 3.2/46
Front: 225/45 R 18 91 V RSC
Rear: 255/40 R 18 95 V RSC
2.8/41
-
-
3.0/44
Front: 225/40 R 19 89 W RSC
Rear: 255/35 R 19 92 W RSC
3.0/44
-
-
3.2/46
Compact wheel:
T 135/80 R 17 102 M
Speed up to a max. of
50 mph / 80 km/h
4.2/60
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
Tire Identification Number
Tires with DOT codes meet the guidelines of
the U.S. Department of Transportation.
DOT code:
DOT xxxx xxx 2313
xxxx: manufacturer code for the tire brand
xxx: tire size and tire design
2313: tire age
Tire age
The tire manufacturing date is contained in the
tire identification mark: DOT ... 2313 means
that the tire was manufactured in the
week 23 of 2013.
BMW recommends that you replace all tires af‐
ter 6 years at most, even if some tires may last
for 10 years.
Seite 237
Wheels and tires Mobility
237
Online Edition for Part no. 01 40 2 954 052 - II/15
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