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Go Back   E46Fanatics > Tuning & Tech > DIY: Do It Yourself

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 01-02-2009, 10:11 PM   #21
LABMW13
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Quote:
Originally Posted by Bimmer Dude Xi View Post
Nice job. I would put a little scoop at the bottom of the tube to draw in air directly.
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Originally Posted by Custom3 View Post
thats pretty cool...A+ for effort ....i would put like a L shaped tube on the bottom of the pipe...this way air will actually be forced up the tube.
Yeah that's a good idea

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Originally Posted by romelio View Post
nice work!
Thanks!

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Originally Posted by TrippinBimmer View Post
Did the intake sound get any louder?
It was a bit louder, then i took out the sound shield from under the hood and its definitely noticeably louder

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Originally Posted by tiggaatl View Post
A water sock is just something that keeps water out of the intake while allowing air to pass through. I have one on my K&N intake. Instead of opting for the screen, i would have gone with some kind of low density foam as a filter. I'm sure it would do a better job of keeping debris out of the tube as well as limit the amount of water that would enter in case of snow or rain.
Nice, I'll have to get one...I never knew of these.
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Old 01-30-2009, 12:54 AM   #22
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dont forget the oil sock. it's a replacement for you oil cap. works wonders.
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Old 02-21-2009, 01:23 AM   #23
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I hope that this thread is still active, regarding the water sock, is this the correct one?
http://www.sfxperformance.com/parts/INJX1034R.htm
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Old 03-26-2009, 11:51 PM   #24
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I have a question about these CAI projects and cones and flat filters....etc.. what would be better this method like he did (except if I was to do it I would tilt the tubing L for the air to be sucked in) or just pop in a cone filter no shield no nothing?????? b.c this way the filter is inside sealed with the factory box and if you bought a K&N flat filter it would be better, but I just want to know what yall tink. or is the cone better f*** the shield????
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Old 05-23-2010, 05:05 PM   #25
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Thought this thread deserved a 2010 bump.
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Old 05-24-2010, 09:58 PM   #26
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yes it did! Im trying it out..
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Old 06-28-2010, 11:08 AM   #27
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I've run modded airbox on all my cars and wasn't sure If I'd be able to pull it off on the 330, but its refreshing to see its possible. as for the water sock, I wouldn't worry about it as their are two holes in the airbox, the (i've always used dryer ducting 3") ducting goes to the front lower bumper and if ever submerged, it won't suck up water because of the second opening. its like a straw with a hole in it, I've always had two wholes in the box for that reason. I was just about to buy a short ram with a heat shield but this will have the same effect and usually results in the same intake growl. think I know what im doing this weekend
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Old 06-30-2010, 11:59 PM   #28
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i will try it this weekend.
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Old 07-01-2010, 07:09 AM   #29
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Old 11-09-2010, 03:59 PM   #30
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I love this mod. Low-tech but works.
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Old 11-09-2010, 04:13 PM   #31
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I did that with a k and n drop in


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Old 01-23-2011, 11:30 PM   #32
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Nice write up, I saw this and I want to do this as soon as the snow dies away.. You said you got better mpg, how much have you gain since you did this mod?
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Old 01-24-2011, 08:43 AM   #33
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I'm thinking the Lg shop vac hose and then if you wanted a scoop you could get the piece for sucking up fluid. It is fairly sleek. and may be easily fitted. The whole thing would slide together and perhaps look more OE.
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Old 01-27-2011, 04:57 AM   #34
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anyone know where you can find similar materials and parts that DINAN uses for thiers.
http://forum.e46fanatics.com/showthread.php?t=818676
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Old 01-27-2011, 10:05 AM   #35
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i did this, i didnt think it helped but oh well it was worth the try. It does sound growlier.
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Old 03-14-2011, 01:44 PM   #36
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sorry for bringing this thread back to life

i did this and i didnt get any results? didnt even sound gorwlier like it usually does when you chop up your airbox... i did use a 1 1/2 inch pipe instead but i wouldnt think that it would result in no results?
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Old 03-19-2011, 09:43 PM   #37
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I did this a couple years ago and used Dinan parts. Just call them up and order the third air intake tubing kit. I think it was like $55.00...... Expensive, but it is very factory in fit and appearance. I also used an E36 inline six air filter that is deeper than the E46. I do detect a bump in power from this mod.
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Old 10-05-2011, 11:22 AM   #38
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Bump.
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Old 03-17-2012, 10:43 PM   #39
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I totally understand I'm bumping a thread that is SO old...
BUT!!!!

I read it and instantly ran to autozone, and grabbed some 3" tubing.
I'll be doing this in the morning, and I'm pumped. One thing I might do though, is instead of having it go through the splash shield.. Retrofit some kind of "scoop" in the middle of my bumper to scoop some air in right there, as it'd be more forced. I'd rather not mess with the brake duct's as they do serve a purpose. lol

But I'll be doing this tomorrow morning as it'll be FINALLY some nice weather up here in New Hampshire.

But thanks so much for the write-up. I can not wait to try this out!


ALSO!!!

I noticed you said you took out the shield?
"It was a bit louder, then i took out the sound shield from under the hood and its definitely noticeably louder"

What shield may this be? I want more sound! haha

Last edited by mattfarrington; 03-18-2012 at 06:41 AM. Reason: Added a question
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Old 03-21-2012, 11:52 AM   #40
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Originally Posted by mattfarrington View Post
I totally understand I'm bumping a thread that is SO old...
BUT!!!!

I read it and instantly ran to autozone, and grabbed some 3" tubing.
I'll be doing this in the morning, and I'm pumped. One thing I might do though, is instead of having it go through the splash shield.. Retrofit some kind of "scoop" in the middle of my bumper to scoop some air in right there, as it'd be more forced. I'd rather not mess with the brake duct's as they do serve a purpose. lol

But I'll be doing this tomorrow morning as it'll be FINALLY some nice weather up here in New Hampshire.

But thanks so much for the write-up. I can not wait to try this out!




ALSO!!!

I noticed you said you took out the shield?
"It was a bit louder, then i took out the sound shield from under the hood and its definitely noticeably louder"

What shield may this be? I want more sound! haha
This will be my weekend project. I am going to fix it behind the grill of the bumper. I think actually Lowes has 3 inch scoops in their air conditioning pipes section. This might snug easily behind the grill. Any way to take the grill out without the bumper?
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