Tire Identification Marks; Tire Size; Tire Identification Number; Tire Age - BMW i3 Owner's Manual

Mobility
These pressure values can also be found on
the tire inflation pressure label on the driver's
side on the rear door.
Maximum permissible speed
Do not exceed 100 mph/160 km/h; other‐
wise, tire damage and accidents may result.◀
Tire inflation pressure values
i3

Tire size

Specifications in
bar/PSI with cold
tires
155/70 R 19 84 Q
M+S A/S Std
155/70 R 19 84 Q
M+S Std
Front: 155/70 R
19 84 Q M+S A/S
Std
Rear: 175/60 R 19
86 Q M+S A/S Std
Front: 155/60 R
20 80 Q Std
Rear: 175/55 R 20
85 Q Std
174
Wheels and tires
Pressure specifications
in bar/PSI
2.3 / 33 2.8 / 41
2.3 / 33 -
- 2.8 / 41
2.3 / 33 -
- 2.8 / 41
Online Edition for Part no. 01 40 2 960 865 - II/15

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 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.