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      01-27-2012, 11:57 PM   #64
Drives: E90 N52 AT
Join Date: Apr 2011
Location: Vancouver, BC

Posts: 2,681
iTrader: (4)

Originally Posted by Hooy View Post
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
Somebody with headers has to chime in.....something has gone a rye. I can't see just headers killing mpg that bad.
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