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Old 09-22-2010, 10:20 AM   #2
Many330i
Registered User
 
Join Date: Dec 2006
Location: Little Elm, TX
Posts: 1,200
My Ride: 330i ZHP Silver
For city driving on a 2.5 motor, I say that's rather low - I get about 21mpg city on a 3.46 diff!

..and I don't understand why people add a box, sometimes dual, in that little trunk? In addition to lowering your hp/weight ratio, the bass doesn't sound half as good as an IB set-up, which I have!

That said, as a start, change your plugs if they have never been touched and your tires too if they are a little aged.
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