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Tire size Pressure specifications
in bar/PSI
Front: 245/35 R 21
96 Y XL RSC
2.8 / 41 -
Rear: 275/30 R 21
98 Y XL RSC
- 3.2 / 46
Emergency wheel:
T 135/80 R 18 104
M
Speed up to a max. of
50 mph / 80 km/h
4.2 / 60
X4 M40i
Tire size Pressure specifications
in bar/PSI
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
2.6 / 38 3.0 / 44
245/45 R 19 102 V
M+S XL A/S RSC
245/45 R 19 102 V
M+S XL RSC
2.8 / 41 3.2 / 46
Front: 245/45 R 19
98 W RSC
2.6 / 38 -
Rear: 275/40 R 19
101 W RSC
- 2.8 / 41
Front: 245/40 R 20
99 Y XL Std/RSC
2.6 / 38 -
Rear: 275/35 R 20
102 Y XL Std/RSC
- 2.8 / 41
Front: 245/40 ZR
20 99 Y XL Std
2.6 / 38 -
Tire size Pressure specifications
in bar/PSI
Rear: 275/35 ZR
20 102 Y XL Std
- 2.8 / 41
Front: 245/35 R 21
96 Y XL RSC
2.8 / 41 -
Rear: 275/30 R 21
98 Y XL RSC
- 3.2 / 46
Emergency wheel:
T 135/80 R 18 104
M
Speed up to a max. of
50 mph / 80 km/h
4.2 / 60
Tire identification marks
Tire size
245/45 R 18 96 Y
245: nominal width in mm
45: aspect ratio in %
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 2116
xxxx: manufacturer code for the tire brand
xxx: tire size and tire design
Seite 204
Mobility Wheels and tires
204
Online Edition for Part no. 01 40 2 973 100 - VI/16
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