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Old 07-06-2008, 11:23 PM   #33 (permalink)
whatthe
Power tuner gone eco
 
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Join Date: Jun 2008
Location: Alberta
Posts: 33

Prudence - '93 BMW 325 i
90 day: 36.64 mpg (US)
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Quote:
Originally Posted by Will View Post
I took a rather stupid approach and used a 4" dryer vent from my air filter, up the side of the engine compartment and dropped it out into the grille. It looks dumb, but it seems to help. I noticed a 2.4 mpg gain, but that could have just been me, as I am new to this....
I don't think it's dumb at all... the air isn't pressurized and it gets it from point A to point B... grassroots is good!
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