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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 07-05-2008, 03:14 PM   #1
loglisci44
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Join Date: Feb 2008
Location: new jersey
Posts: 31
My Ride: 2000 323ci 5spd
DIY Request CAI

I am looking to custom fab a long tube CAI to fit the CSL V1 Bumper. I now have the ECIS CAI and am looking to purchase the CSL V1 bumper. Im looking to make use out of the intake whole. Does anyone have advice or a thread that i simply cannot find on how to do this (ive seen it before i just cant find it). I cant justify paying 500$ for a Dianan intake...
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Old 07-05-2008, 03:18 PM   #2
e4sixxx
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Join Date: May 2007
Location: las vegas
Posts: 254
My Ride: 2000 328ci
http://forum.e46fanatics.com/showthread.php?t=589170

i just did this yesterday, also i am waiting on my knn cone filter that i am going to modify to fit inside of the stock airbox, essentially the same as dinan
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Old 07-07-2008, 04:43 PM   #3
loglisci44
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Join Date: Feb 2008
Location: new jersey
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My Ride: 2000 323ci 5spd
thanks looks good, what was the performance gain?
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Old 07-07-2008, 05:01 PM   #4
e4sixxx
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Join Date: May 2007
Location: las vegas
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My Ride: 2000 328ci
i noticed a huge difference in acceleration. im just hoping to get better gas mileage, also just yesterday i also fitted a cone filter in the stock airbox , rather than the stock drop in filter. and now there was a bigger gain, according to my butt dyno. also at idle i used a piece of paper to see if the intake was sucking all the way down thru the bumper, and yes the paper stuck to the bumper due to the suction of the intake at idle.
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