2006 BMW 550i Tire Sizes

Factory original equipment (OE) tire specifications.

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Base

Tire Size
225/50R17
Load Index
94
Speed Rating
V

w/Sport Pkg.

Front
Tire Size
245/40R18
Load Index
93
Speed Rating
Y

w/Sport Pkg.

Rear
Tire Size
275/35R18
Load Index
95
Speed Rating
Y