Quote:
Originally Posted by DJ Apex
So i just put a full tank of 93oct today and guess what avg 16.6mpg! lol not useing the cars mpg reader thing this is doing the math after filling up again!
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Did you really use all 17 gallons of gas in one day?!
Fill with 93 oct for a month and see if it improves. The lower grade of fuel can only hurt, and less than $5 a tank is a good investment in your BMW