Tire Identification Marks; Tire Size - BMW X3 xDrive28i Owner's Manual

Tire inflation pressure values over
100 mph/160 km/h
X3 28iA

Tire size

Specifications in bar/
PSI with cold tires
245/55 R 17 102 H M
+S A/S RSC
245/55 R 17 102 H M
+S RSC
225/60 R 17 99 H M
+S A/S RSC
245/50 R 18 100 V M
+S A/S RSC
225/60 R 17 99 H M
+S RSC
245/50 R 18 100 H M
+S RSC
245/45 R 19 102 V M
+S XL A/S RSC
245/45 R 19 102 V M
+S RSC
V: 245/45 R 19 98 W
RSC
H: 275/40 R 19 101
W RSC
V: 245/40 R 20 99 Y
XL RSC
H: 275/35 R 20 102 Y
XL RSC
Compact wheel
T 135/80 R 18 104 M
Online Edition for Part no. 01 40 2 608 153 - 09 11 490
Pressure specifica‐
tions in bar/PSI
2.2 / 32 2.6 / 38
2.4 / 35 2.8 / 41
2.6 / 38 3.0 / 44
2.2 / 32 -
- 2.6 / 38
2.2 / 32 -
- 2.6 / 38-
Speed up to a max. of
50 mph / 80 km/h
4.2 / 60
Wheels and tires
X3 35iA
Tire size
Specifications in
bar/PSI with cold
tires
245/50 R 18 100 V
M+S A/S RSC
245/50 R 18 100 V
M+S RSC
245/45 R 19 102 V
M+S XL A/S RSC
245/45 R 19 102 V
M+S RSC
V: 245/45 R 19 98 W
RSC
H: 275/40 R 19 101
W RSC
V: 245/40 R 20 99 Y
XL RSC
H: 275/35 R 20 102
Y XL RSC
Compact wheel
T 135/80 R 18 104
M

Tire identification marks

Tire size
255/50 R 19 103 Y
255: nominal width in mm
50: aspect ratio in %
R: radial tire code
19: rim diameter in inches
103: load rating, not for ZR tires
Y: speed rating, before the R on ZR tires
Mobility
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
Speed up to a max. of
50 mph / 80 km/h
4.2 / 60
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