BMW GRAN COUPE 4 Series Owner's Manual page 221

Tire size
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
With high-speed tuning feature
Tire size
Specifications in
bar/PSI with cold
tires
225/50 R 17 94 H
M+S RSC
225/45 R 18 91 Y
RSC
225/45 R 18 95 V
M+S XL 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
2.8 / 41 -
- 3.3 / 48
Speed up to a max. of
50 mph / 80 km/h
4.2 / 60
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
Online Edition for Part no. 01402978272 - II/17
Wheels and tires
Tire size
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
440i, 440i xDrive
Without high-speed tuning feature
Tire size
Specifications in
bar/PSI with cold
tires
225/50 R 17 94 H
M+S RSC
225/45 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
Mobility
Pressure specifications
in bar/PSI
2.8 / 41 -
- 3.3 / 48
Speed up to a max. of
50 mph / 80 km/h
4.2 / 60
Pressure specifications
in bar/PSI
2.7 / 39 3.2 / 46
2.8 / 41 3.3 / 48
2.8 / 41 -
- 2.9 / 42
2.8 / 41 -
- 2.9 / 42
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