BMW X3 2018 Owner's Manual page 299

table on the following pages. Otherwise, tire
damage and accidents could occur.
For speeds over 100 mph/160 km/h and for opti‐
mum driving comfort, note the pressure values in
the tire inflation pressure table, refer to
page 299, and adjust as necessary.
Tire inflation pressure values
over 100 mph/160 km/h
X3 xDrive30i, X3 sDrive30i
Tire size
Specifications in
bar/PSI with cold
tires
225/60 R 18 104 H
M+S XL A/S RSC
225/60 R 18 104 H
M+S XL RSC
245/50 R 19 105 H
M+S XL A/S
Std/RSC
245/50 R 19 105 W
XL RSC
245/50 R 19 105 V
M+S XL RSC
Front: 245/45 R 20
103 W XL RSC
Rear: 275/40 R 20
106 W XL RSC
Front: 245/45 R 20
103 Y XL Std
Rear: 275/40 R 20
106 Y XL Std
Front: 245/40 R 21
100 Y XL RSC
Pressure specifica‐
tions in bar/PSI
2.6 / 38 3.1 / 45
2.7 / 39 -
- 3.1 / 45
2.4 / 35 -
- 2.7 / 39
2.6 / 38 -
Online Edition for Part no. 01402989843 - II/18
Wheels and tires
Tire size
Rear: 275/35 R 21
103 Y XL RSC
Emergency wheel:
T 135/80 R 18 104
M
X3 M40i
Tire size
Specifications in
bar/PSI with cold
tires
245/50 R 19 105
H M+S XL A/S
Std/RSC
245/50 R 19 105
W XL RSC
245/50 R 19 105 V
M+S XL RSC
Front: 245/45 R 20
103 W XL RSC
Rear: 275/40 R 20
106 W XL RSC
Front: 245/45 R 20
103 Y XL Std
Rear: 275/40 R 20
106 Y XL Std
Front: 245/40 R 21
100 Y XL RSC
Rear: 275/35 R 21
103 Y XL RSC
Emergency wheel:
T 135/80 R 18 104
M
MOBILITY
Pressure specifica‐
tions in bar/PSI
- 2.9 / 42
Speed up to a max. of
50 mph / 80 km/h
4.2 / 60
Pressure specifica‐
tions in bar/PSI
2.6 / 38 3.1 / 45
2.7 / 39 -
- 3.1 / 45
2.4 / 35 -
- 2.7 / 39
2.6 / 38 -
- 2.9 / 42
Speed up to a max. of
50 mph / 80 km/h
4.2 / 60
299