BMW 2014 X1 Owner's Manual page 236

Mobility
Tire size
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 pressure values over 100 mph/160 km/h
Without high-speed tuning feature
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
225/45 R 18 91 V M+S A/S RSC
225/50 R 17 94 V RSC
225/45 R 18 91 V RSC
225/50 R 17 94 H M+S 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
With high-speed tuning feature
232
Wheels and tires
Online Edition for Part no. 01 40 2 957 353 - X/14
I n f o r ma t i o n P r o v i d e d b y :
Pressure specifications in
bar/PSI
2.6/38 -
- 2.8/41
Speeds of up to 50 mph/
80 km/h
4.2/60
Pressure specifications in
bar/PSI
2.4/35 2.9/42
2.4/35 -
- 2.9/42
2.6/38 -
- 2.9/42
Speeds of up to 50 mph/
80 km/h
4.2/60