BMW 2008 M5 Owner's Manual page 238

Tire inflation pressures for X5 3.0si/4.8i with three rows of seats
Tire size
All pressure specifications
in the table are indicated in
psi/kilopascal with cold tires.
Cold = ambient temperature
without sport package:
255/55 R 18 109 H M+S XL
255/50 R 19 107 H M+S XL
Front: 255/50 R 19 107 V XL
Rear: 285/45 R 19 111 V XL
Front: 275/40 R 20 106 W XL
Rear: 315/35 R 20 110 W XL
Front: 285/35 R 21 105 W XL
Rear: 325/30 R 21 108 W XL
with sport package:
255/55 R 18 109 H M+S XL
255/50 R 19 107 H M+S XL
Front: 255/50 R 19 107 V XL
Rear: 285/45 R 19 111 V XL
Front: 275/40 R 20 106 W XL
Rear: 315/35 R 20 110 W XL
Front: 285/35 R 21 105 W XL
Rear: 325/30 R 21 108 W XL
More details on the permissible load and weights can be found on page 264.
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Online Edition for Part no. 01 41 0 014 248 - © 08/07 BMW AG
Pressure specifications in psi/kPa
Traveling speeds
up to a max. of
100 mph/160 km/h
32/220 35/240
32/220 38/260
32/220 -
- 35/240
32/220 -
- 35/240
32/220 -
- 35/240
32/220 35/240
32/220 38/260
32/220 -
- 35/240
32/220 -
- 35/240
32/220 -
- 35/240
Traveling speeds
including those exceeding
100 mph/160 km/h
32/220 32/220 32/220
32/220 35/240 35/240
32/220 - 32/220
- 32/220
32/220 - 32/220
- 32/220
32/220 - 32/220
- 32/220
32/220 32/220 32/220
32/220 35/240 35/240
32/220 - 35/240
- 35/240
32/220 - 35/240
- 35/240
32/220 - 35/240
- 35/240
39/270
42/290
-
- 36/250
-
- 36/250
-
- 39/270
39/270
42/290
-
- 39/270
-
- 39/270
-
- 42/290