BMW 2004 645Ci, Owner'S Manual, Page: 170 / 217

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645Ci Coupe
645Ci Convertible
Tire size Pressure specifications in psi/kPa
All pressure specifications in
the table are indicated in psi/
kilopascal with cold tires –
cold = ambient temperature
245/50 R 17 99 H M+S
245/45 R 18 96 V M+S
245/45 R 18 96 V M+S all season
29/200 32/220 33/230 39/270
Front: 245/45 R 18 96 W
Rear: 275/40 R 18 99 W 29/200
–
–
32/220
33/230
–
–
39/270
Front: 245/40 R 19 94 W
Rear: 275/35 R 19 96 W 29/200
–
–
32/220
33/230
–
–
39/270
Front: 245/35 R 20 91 Y
Rear: 275/30 R 20 93 Y 29/200
–
–
32/220
33/230
–
–
39/270
More details on the permitted load and weights can be found on page 192 .
Tire size Pressure specifications in psi/kPa
All pressure specifications in
the table are indicated in psi/
kilopascal with cold tires –
cold = ambient temperature
245/50 R 17 99 H M+S
245/45 R 18 96 V M+S
245/45 R 18 96 V M+S all season
32/220 38/260 39/270 46/320
Front: 245/45 R 18 96 W
Rear: 275/40 R 18 99 W 32/220
–
–
38/260
39/270
–
–
46/320
Front: 245/40 R 19 94 W
Rear: 275/35 R 19 96 W 32/220
–
–
38/260
39/270
–
–
46/320
Front: 245/35 R 20 91 Y
Rear: 275/30 R 20 93 Y 32/220
–
–
38/260
39/270
–
–
46/320
More details on the permissible load and weights can be found on page 192 .