E46Fanatics - View Single Post - need "different" kind of performance upgrade input.
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Old 10-24-2012, 11:21 AM   #14
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Join Date: Aug 2010
Location: Orange County, CA
Posts: 4,394
My Ride: 05 330ci
Originally Posted by aggieE46 View Post
Cams are actually very helpful. When I had cruise on and was about 75mph the car didn't have to work hard going uphill. Now, with stock cams, the car has to work and my MPG needle drops a LOT more when I'm going up a hill.

With all my mods, light weight 17s, light weight flywheel, cams, intake, exhaust, 3.46, etc, I was able to get 29mpg cruising on long trips. Around 23 mixed. Mainly stock (big filter, shark, 3.46) I'm getting 22 mixed.
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