BMW X7 Owner's Manual page 361

Tire pressure values over
100 mph/160 km/h
X7 xDrive40i
Tire size Pressure specifications in
bar/PSI
Specifications
in bar/PSI with
cold tires
275/50 R 20 2.9 / 42
113 H XL A/S
285/45 R 21
113 H XL A/S
285/45 R 21
113 V XL M+S
255/55 R 20 2.9 / 42
110 H XL M+S
Front: 275/40 R 2.9 / 42
22 107 Y XL
Rear: 315/35 R -
22 111 Y XL
Emergency Speed up to a max. of
wheel: 50 mph / 80 km/h
T 155/80 R 19 4.2 / 60
114 M
3.4 / 49
3.4 / 49
-
3.4 / 49
Online Edition for Part no. 01405A385B6 - VI/21
Wheels and tires
X7 M50i
Tire size Pressure specifications in
bar/PSI
Specifications
in bar/PSI with
cold tires
285/45 R 21 2.9 / 42
113 H XL A/S
285/45 R 21
113 V XL M+S
255/55 R 20 2.9 / 42
110 H XL M+S
Front: 275/40 2.9 / 42
R 22 107 Y XL
Rear: 315/35 R -
22 111 Y XL
Emergency Speed up to a max. of
wheel: 50 mph / 80 km/h
T 155/80 R 19 4.2 / 60
114 M
Tire marking
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 bearing capacity
Y: speed code letter
ZR tires: reinforced radial tire for speeds exceed‐
ing 150 mph/240 km/h
MOBILITY
3.4 / 49
3.4 / 49
-
3.4 / 49
361