2019 BMW 640i xDrive Gran Coupe Tire Sizes
Factory original equipment (OE) tire specifications.
Base
Tire Size
245/45R18
Load Index
100
Speed Rating
V
Base
FrontTire Size
245/40R19
Load Index
94
Speed Rating
Y
Base
RearTire Size
275/35R19
Load Index
96
Speed Rating
Y
Base
Tire Size
245/40R19
Load Index
98
Speed Rating
V
Base
FrontTire Size
245/35R20
Load Index
95
Speed Rating
Y
Base
RearTire Size
275/30R20
Load Index
97
Speed Rating
Y