Jaguar XK JJM 18 02 30 701 - Manual (Page 226)

Wheels and Tires
260
L
For each 10°C (20°F) increase in
temperature above 20°C (68°F), tire
pressure should be increased by 14 kPa
(2 lbf/in
2
).
Tire pressure compensation chart -
high ambient temperatures
Tire Pressure Temperature
Compensation
Ambient
Temperature
0
C (
0
F)
Pressure
Compensation
bar (lbf/in
2
/kPa)
20 (68) use placard label
30 (86) + 0.14 (2 / 14)
40 (104) + 0.28 (4 / 28)
50 (122) + 0.41 (6 / 41)