W = up to 167 mph, 270 km/h
Y = up to 186 mph, 300 km/h
Tire size
Pressure specifications
in psi/kPa
Specifications in
psi/kilopascal with
cold tires
Tire Identification Number
DOT code: DOT xxxx xxx 3510
xxxx: manufacturer code for the tire brand
xxx: tire size and tire design
245/50
M+S
R 18 100 V 2.6 / 38
3.0 / 44
3510:
tire age
Tires with DOT codes meet the guidelines of the
U.S. Department of Transportation.
245/45
M+S
R 19 102 V 2.8 / 41
3.2 / 46
Tire age
F: 245/40 R 19 98 W 2.4 / 35
-
DOT … 3510: the tire was manufactured in the
R: 275/40 R 19 101
W
-
2.8 / 41
35th
week in 2010.
Recommendation: regardless of wear, replace
tires at least every 6 years.
F: 245/40 R 19 102 2.8 / 41
-
V M+S
-
3.0 / 44
R: 275/40 R 19 105
V M+S
Uniform Tire Quality Grading
Quality grades can be found where applicable
on the tire sidewall between tread shoulder and
maximum section width.
F: 245/40 R 20 99 Y 2.4 / 35
XL
-
-
3.0 / 44
R: 275/35 R 20 102
Y XL
For example: Treadwear 200; Traction AA;
Temperature A
T 135/80 R 18 104 4.2 / 60
M
4.2 / 60
DOT Quality Grades
Treadwear
Traction AA A B C
Temperature A B C
Tire identification marks
All passenger car tires must conform to Federal
Safety Requirements in addition to these
grades.
Tire size
255/50
R 19 103 Y
nominal width in mm
aspect ratio in %
R: radial tire code
rim diameter in inches
load rating, not for ZR tires
255:
Treadwear
50:
The treadwear grade is a comparative rating
based on the wear rate of the tire when tested
under controlled conditions on a specified gov‐
ernment test course. For example, a tire graded
19:
103:
150
would wear one and one-half, 1 g, times as
well on the government course as a tire graded
The relative performance of tires depends
Y: speed rating, before the R on ZR tires
100.
Speed letter
upon the actual conditions of their use, however,
and may depart significantly from the norm due
to variations in driving habits, service practices
T = up to 118 mph, 190 km/h
H = up to 131 mph, 210 km/h
V = up to 150 mph, 240 km/h
210
Online Edition for Part no. 01 40 2 606 190 - 12 10 500
| Categories | BMW Manuals, BMW X3 Manuals |
|---|---|
| Tags | BMW F25, BMW X3 xDrive28, BMW X3 xDrive35 |
| Model Year | 2011 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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