BMW 2014 X1 Owner's Manual page 237

Tire size
All pressure specifications in the table are indicated in bar/PSI with
cold tires.
Cold = ambient temperature
225/50 R 17 94 V RSC
225/50 R 17 94 H M+S RSC
225/45 R 18 91 W RSC
225/45 R 18 91 H M+S RSC
Front: 225/45 R 18 91 V RSC
Rear: 255/40 R 18 95 V RSC
Front: 225/40 R 19 89 W RSC
Rear: 255/35 R 19 92 W RSC
Compact wheel:
T 135/80 R 17 102 M
Tire inflation pressures X1 xDrive28i/X1 xDrive35i
Tire inflation pressure values up to 100 mph/160 km/h
Tire size
All pressure specifications in the table are indicated in bar/PSI with
cold tires.
Cold = ambient temperature
225/50 R 17 94 H M+S A/S RSC
225/50 R 17 94 H RSC
225/50 R 17 94 H M+S RSC
225/45 R 18 91 V M+S A/S RSC
225/45 R 18 91 V RSC
225/45 R 18 91 H M+S RSC
I n f o r ma t i o n P r o v i d e d b y :
Online Edition for Part no. 01 40 2 957 353 - X/14
Wheels and tires
Pressure specifications in
bar/PSI
2.4/35
2.6/38
2.6/38
-
2.8/41
-
Speeds of up to 50 mph/
80 km/h
4.2/60
Pressure specifications in
bar/PSI
2.2/32
2.4/35
Mobility
2.9/42
3.1/45
-
2.9/42
-
3.1/45
2.6/38
2.8/41
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