BMW GRAN COUPE 4 Series Owner's Manual page 220

Mobility
Tire size
225/40 R 19 93 V
M+S XL A/S RSC
Front:
225/45 R 18 91 Y
RSC
Rear: 255/40 R 18
95 Y RSC
Front: 225/45 ZR
18 95 Y XL Std
Rear: 255/40 ZR
18 99 Y XL Std
Front:
225/40 R 19 89 Y
RSC
Rear: 255/35 R 19
92 Y RSC
Front: 225/35
R 20 90 Y XL RSC
Rear: 255/30 R 20
92 Y XL RSC
Emergency wheel:
T 135/80 R 17
102 M
Tire inflation pressures at max.
speeds above 100 mph/160 km/h
WARNING
In order to drive at maximum speeds in
excess of 100 mph/160 km/h, please observe,
and, if necessary, adjust tire pressures for
speeds exceeding 100 mph/160 km/h from the
relevant table on the following pages. Other‐
wise, tire damage and accidents could occur.◀
For speeds over 100 mph/160 km/h and for
optimum driving comfort, note the pressure
220
Wheels and tires
Pressure specifications
in bar/PSI
2.4 / 35 2.9 / 42
2.2 / 32 -
- 2.4 / 35
2.2 / 32 -
- 2.4 / 35
2.3 / 33 -
- 2.6 / 38
2.5 / 36 -
- 3.0 / 44
Speed up to a max. of
50 mph / 80 km/h
4.2 / 60
Online Edition for Part no. 01402978272 - II/17
values in the tire inflation pressure table, refer
to page 220, and adjust as necessary.
Tire inflation pressure values over
100 mph/160 km/h
430i, 430i xDrive
Without high-speed tuning feature
Tire size
Specifications in
bar/PSI with cold
tires
225/50 R 17 94 H
M+S RSC
225/50 R 17 94 V
M+S A/S RSC
225/45 R 18 91 V
M+S A/S RSC
225/45 R 18 91 Y
RSC
225/45 R 18 95 V
M+S XL RSC
225/40 R 19 93 V
M+S XL A/S RSC
Front: 225/45 R 18
91 Y RSC
Rear: 255/40 R 18
95 Y RSC
Front: 225/45 ZR
18 95 Y XL Std
Rear: 255/40 ZR
18 99 Y XL Std
Front: 225/40 R 19
89 Y RSC
Rear: 255/35 R 19
92 Y RSC
Pressure specifications
in bar/PSI
2.5 / 36 3.0 / 44
2.8 / 41 3.3 / 48
2.8 / 41 -
- 2.8 / 41
2.8 / 41 -
- 2.8 / 41
2.5 / 36 -
- 2.9 / 42