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HuGo · 11-26-2005, 10:33 AM

i use 89, and 91. It seems like 91 lasts a little longer, but i think my car averaging about 20-22 MPG, i dont know why. someone???

11-26-2005, 10:33 AM	#21
HuGo Senior Member Join Date: Nov 2005 Location: çî†ÿ øf åNgëL§, CA Posts: 5,314 '96 BMW 318ti Active iTrader: (11) Photo Gallery	i use 89, and 91. It seems like 91 lasts a little longer, but i think my car averaging about 20-22 MPG, i dont know why. someone???