BMW 2009 1 Series Owner's Manual page 111

Convertible: tire inflation pressures for the 135i
Tire size
All pressure specifications in
the table are indicated in
psi/kilopascal with cold tires.
Cold = ambient temperature
205/50 R 17 89 H M+S
Front: 215/40 R 18 85 Y
Rear: 245/35 R 18 88 Y
with Sports package
205/50 R 17 89 H M+S
Front: 215/40 R 18 85 Y
Rear: 245/35 R 18 88 Y
More details on the permissible load and weights can be found on page 149.
Online Edition for Part no. 01 41 2 600 853 - © 08/08 BMW AG
Pressure specifications in psi/kPa
Traveling speeds
up to a max. of
100 mph / 160 km/h
33/220 38/260
39/270 -
- 39/270
33/220 38/260
39/270 -
- 41/280
Traveling speeds
including those exceeding
100 mph / 160 km/h
32/220 35/240 36/250
39/270 - 39/270
- 39/270
32/220 35/240 36/250
38/260 - 39/270
- 38/260
109
42/290
-
- 41/280
42/290
-
- 45/310