Thread: JB4, 08 135i
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      03-31-2011, 10:38 AM   #10
moe79
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Drives: 08 AW 135i, sport & premium
Join Date: Sep 2010
Location: illinois

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I'm interested in the JB4, but am interested in what the effect is on the fuel mileage IF you are disciplined enough to stay out of the throttle. Can anyone answer this?
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