Tire Coding; Tire Identification Number - Mini Cooper Owner's Manual

MOBILITY
MINI John Cooper Works Convertible tire inflation pressures
Tire size
All pressure specifications in the
table are indicated in bar/psi for
cold tires. Cold = ambient
temperature
185/50 R 17 86 H M+S XL RSC
205/45 R 17 84 V M+S RSC
205/45 R 17 84 W RSC
205/40 R 18 82 W RSC
More details on the permissible load and weights can be found on page 203.

Tire coding

Knowledge of the labeling on the side of the tire
makes it easier to identify and choose the right
tires.
Tire size
e.g.
Nominal width in mm
Aspect
ratio in Ξ
Radial belt construction
Rim diameter in inches
Load rating,
(not on ZR tires)
Speed code letter,
(before the R on ZR tires)
Speed letter
Q = up to 100 mph/160 km/h
T = up to 118 mph/190 km/h
150
Wheels and tires
225/45 R 17 91 V
Online Edition for Part no. 01 40 2 914 786 - © 07/12 BMW AG
Tire pressures in bar/psi
Speeds up to a max. of
100 mph/160 km/h
2.7/39 2.7/39
2.9/42 2.9/42
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
US Department of Transportation.
DOT code:
For instance:
Manufacturer's code
for tire make
tire size and
tire design
Tire age
Uniform Tire Quality Grading
Quality grades can be found where applicable
on the tire sidewall between tread shoulder and
maximum section width. For example:
Speeds including those
exceeding
100 mph/160 km/h
2.9/42 2.9/42
3.1/45 3.1/45
DOT xxxx xxx 1012