Mini Convertible Owner's Manual page 172

MINI John Cooper Works Convertible tire inflation pressures
Tire size
All pressure specifications in
the table are indicated in
psi/kilopascal with cold tires.
Cold = ambient temperature
185/50 R 17 86 H M+S XL RSC
205/45 R 17 84 V M+S RSC
205/45 R 17 84 W RSC
205/40 R 18 82 W RSC
More details on the permissible load and weights can be found on page 205.
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Online Edition for Part no. 01 41 2 602 081 - © 02/09 BMW AG
Pressure specifications in psi/kPa
Speeds up to a
max. of 100 mph/
160 km/h
39/270 39/270 39/270
42/290 42/290 42/290
Speeds including those exceeding
100 mph / 160 km/h
39/270 42/290
42/290 45/310
42/290
45/310