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BMW 420i Gran Coupe MPG

6 BMW 420i Gran Coupes have provided 79 thousand miles of real world fuel economy & MPG data.
Click here to view only the BMW 420i Gran Coupes with MPG currently participating in our fuel tracking program.

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Tips

Over-inflating your tires

Although you can over-inflate your tires to help increase yo... ...

by PeterM

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