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Forced Induction Forum Sponsored by Active Autowerke
Discuss supercharging, turbocharging and even nitrous and water injection here.
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Old 09-08-2008, 06:52 PM   #1
mm325
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330i AA c30,c38 mpg

Needing to upgrade to a 4dr, looking for a 330i to S/c. I was wondering what kind of highway mpg AA owners are getting completely off boost. I've been getting 27 mpg in my s/c'd e36. Thanks.
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Old 09-09-2008, 08:17 AM   #2
ridin325
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I dont know about just highway but combined I am getting around 33mpg
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Old 09-09-2008, 09:55 AM   #3
GodSendsDeath
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I dont know about just highway but combined I am getting around 33mpg

I call BS are you kidding me 33mpg!!! If so call BMW and sell them your engine for millions lol.
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Old 09-09-2008, 12:05 PM   #4
ridin325
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I call BS are you kidding me 33mpg!!! If so call BMW and sell them your engine for millions lol.
I am not getting into this debate again. Mpg is also heavily based on how you drive your car.
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Old 09-09-2008, 12:19 PM   #5
Pietá
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I´m getting like 19 mpg from my ASA supercharged 330ci....
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Old 09-09-2008, 12:42 PM   #6
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You can get mid-high 20s on the highway, especially if you have your stock diff. The upgrade (or downgrade if you wish) to my 3.46 rear end killed my mpg on the highway...
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Old 09-09-2008, 01:58 PM   #7
keith_m3-4
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I call BS are you kidding me 33mpg!!! If so call BMW and sell them your engine for millions lol.
+1, I don't have an S/C and my conversative mixed driving yields 24-25mpg. I can understand gains for F/I but 33% is substancial! Maybe in Ohio, there are only downhills?
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Old 09-09-2008, 02:06 PM   #8
Penn
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I'm too lazy to convert it, but i can get 450 kms with full tank.
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Old 09-09-2008, 11:34 PM   #9
brycerichert
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I just did a full tank with no boost and I was at 36 mpg on the highway... granted I was going the speed limit and being slow on and off the gas; ***** driving. Before the SC I could only get about 29-30 doing that. Sounds like a big fat 'ol lie.. I know.

Edit: Also, this isn't AA. Just some general SC info for ya!
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Old 09-10-2008, 12:09 AM   #10
mm325
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Thanks for the responses , lol, if I use the obc i'm getting 42mpg-it can't adjust for the 30lbs inj vs 17lbs inj stock, measured from the tank and odom. its 27-28
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Old 09-15-2008, 04:17 PM   #11
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24.5 average, mostly traffic..heavy traffic
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