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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Cold Air Intake - Gas mileage?



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      07-26-2006, 01:43 PM   #1
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Cold Air Intake - Gas mileage?

Hey guys,
Does adding a CF Air Intake or the like affect one's gas mileage significantly?
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      07-27-2006, 11:22 AM   #2
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it may because you want to hear it more and drive harder. I actually got some better mileage on my old car when I installed one with an exhaust.
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      07-31-2006, 01:19 PM   #3
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I was getting about 25mpg without the intake, now its 23mpg withe the K&N CF intake
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      07-31-2006, 02:40 PM   #4
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Evo - did yo notice any differences from the K&N CF intake? I'm thinking of getting one possibly
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      07-31-2006, 04:05 PM   #5
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Quote:
Originally Posted by EVO_S4
I was getting about 25mpg without the intake, now its 23mpg withe the K&N CF intake
do you have pics of the CF CAI?
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      08-01-2006, 12:33 PM   #6
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Quote:
Originally Posted by ALPINE6SPD
do you have pics of the CF CAI?
http://www.e90post.com/forums/showthread.php?t=19913
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      08-01-2006, 12:35 PM   #7
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Quote:
Originally Posted by mds82
Evo - did yo notice any differences from the K&N CF intake? I'm thinking of getting one possibly
to be honest you cant really tell if you lost or gain, but the engine does sound mean now
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      08-01-2006, 10:14 PM   #8
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Quote:
Originally Posted by EVO_S4
to be honest you cant really tell if you lost or gain, but the engine does sound mean now
thanx I did not realize it was the Gruppe M rep. I thought it was an actual K&N intake.
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      08-01-2006, 10:48 PM   #9
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Quote:
Originally Posted by EVO_S4
I was getting about 25mpg without the intake, now its 23mpg withe the K&N CF intake
hmm....did you reset the ECU Computer thing when you installed the intake?
wouldn't and shouldn't it IMPROVE gas mileage, because of more air and such....strange...BOGGLES MY MIND!!
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      08-01-2006, 11:14 PM   #10
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reset the ECU was by disconnect the battery, with the new sound for the intake its just make you want to redline the car all the time
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      08-01-2006, 11:17 PM   #11
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Quote:
Originally Posted by ALPINE6SPD
do you have pics of the CF CAI?
It's not a CAI its just a carbon fiber intake. No one make a CAI for the E90 yet.
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      08-02-2006, 07:46 PM   #12
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Quote:
Originally Posted by diesel007
It's not a CAI its just a carbon fiber intake. No one make a CAI for the E90 yet.
good point I mistyped it
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      08-03-2006, 10:46 AM   #13
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Quote:
Originally Posted by ALPINE6SPD
good point I mistyped it
What does CAI mean?
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      08-03-2006, 10:47 AM   #14
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cold air intake
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      08-03-2006, 11:07 AM   #15
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This street legal in CA, specifically the one EVO has? Thinking of getting that.

Thanks for the definition, mds82.

Also, there more emissions with this mod?
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