Need to increase mpg

John · 2006-01-23T15:47:44+00:00

My 1989 740GL just turned 190K miles. I'd like to increase my mpg fromthe 22 I'm getting now. I check the tire pressure weekly, so my nextstop is under the hood. Thanks in advance for your replies.

Jan 23, 2006 20 Replies

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James Sweet 20 years ago

Do you work for them or something? Everything I've ever heard about slick 50 from reputable sources says it's snake oil.

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Need to increase mpg

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