Tire Identification Number; Tire Age; Uniform Tire Quality Grading; Tire Identification Marks - BMW X3 Owner's Manual

Mobility
X3 xDrive35i

Tire size

Specifications in
bar/PSI with cold
tires
245/50 R 18 100 H
M+S RSC
245/50 R 18 100 V
M+S A/S RSC
245/45 R 19 102 V
M+S XL A/S RSC
245/45 R 19 102 V
M+S XL RSC
Front: 245/45 R 19
98 W RSC
Rear: 275/40 R 19
101 W RSC
Front: 245/40 R 20
99 Y XL RSC
Rear: 275/35 R 20
102 Y XL RSC
Front: 245/35 R 21
96 Y XL RSC
Rear: 275/30 R 21
98 Y XL RSC
Emergency wheel:
T 135/80 R 18 104
M

Tire identification marks

Tire size
245/45 R 18 96 Y
245: nominal width in mm
45: aspect ratio in %
200
Wheels and tires
Pressure specifications
in bar/PSI
2.6 / 38 3.0 / 44
2.8 / 41 3.2 / 46
2.4 / 35 -
- 2.8 / 41
2.4 / 35 -
- 2.8 / 41
2.8 / 41 3.2 / 46
- -
Speed up to a max. of
50 mph / 80 km/h
4.2 / 60
Online Edition for Part no. 01 40 2 960 386 - II/15
R: radial tire code
18: rim diameter in inches
96: load rating, not for ZR tires
Y: speed rating, before the R on ZR tires
Speed letter
Q = up to 100 mph, 160 km/h
R = up to 106 mph, 170 km/h
S = up to 112 mph, 180 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

DOT code: DOT xxxx xxx 0115
xxxx: manufacturer code for the tire brand
xxx: tire size and tire design

0115: tire age

Tires with DOT codes meet the guidelines of
the U.S. Department of Transportation.
Tire age
DOT ... 0115: the tire was manufactured in the
1st week of 2015.
Recommendation
Regardless of wear and tear, replace tires at
least every 6 years.

Uniform Tire Quality Grading

Quality grades can be found where applicable
on the tire sidewall between tread shoulder
and maximum section width.
For example: Treadwear 200; Traction AA;
Temperature A

DOT Quality Grades

Treadwear
I n f o r ma t i o n P r o v i d e d b y :