OEM Tire Size for 2018 BMW 6 Series Coupe LCI (F13)
Maintaining the factory-recommended tire dimensions is crucial for the safety, fuel efficiency, and handling of your 2018 BMW 6 Series Coupe LCI (F13) 640i 8AT (320 HP). The standard equipment tire size for this specific trim is 245/45R18.
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Thinking about upgrading your wheels? Before changing your rim diameter from the factory 18-inch size, always use our Tire Size Calculator to ensure your speedometer remains accurate.