What happens when you're bored at home with a dremel?

modster · 05-29-2007, 12:55 PM

+1

Terry335 · 05-29-2007, 12:57 PM

Quote:

Originally Posted by HyperM3

Hmm, seems like someone must have read my original post:

http://www.e90post.com/forums/showth...ghlight=airbox

Great minds think alike! I've done this on a few cars in the past (usually while waiting for air intakes to come out), and found it can help slightly. Why haven't you tried it yet?

HyperM3 · 05-29-2007, 01:37 PM

Quote:

Originally Posted by Terry335

Great minds think alike! I've done this on a few cars in the past (usually while waiting for air intakes to come out), and found it can help slightly. Why haven't you tried it yet?

I put in an ITG filter and I seem to get more noise now anyway. Plus I can hear the diverter valves and turbos A LOT louder too. I guess I just ended up thinking that if it was there for a reason and not removable from the start then Ill leave it. Its not like the older airboxes that had clipped in ports or baffles that you could remove in 5 mins and make it sound like V-Tec

Terry335 · 05-29-2007, 01:41 PM

Quote:

Originally Posted by HyperM3

I put in an ITG filter and I seem to get more noise now anyway. Plus I can hear the diverter valves and turbos A LOT louder too. I guess I just ended up thinking that if it was there for a reason and not removable from the start then Ill leave it. Its not like the older airboxes that had clipped in ports or baffles that you could remove in 5 mins and make it sound like V-Tec

Yeah it probably doesn't do a lot one way or the other, but on the plus side its free and I don't think it hurt anything. A friend had the idea to raise the entire air lid 1/4 - 1/2" with a spacer (until it hits the hood). I'm not sure how such a spacer would look, but its something to work on.

HyperM3 · 05-29-2007, 01:47 PM

Quote:

Originally Posted by Terry335

Yeah it probably doesn't do a lot one way or the other, but on the plus side its free and I don't think it hurt anything. A friend had the idea to raise the entire air lid 1/4 - 1/2" with a spacer (until it hits the hood). I'm not sure how such a spacer would look, but its something to work on.

The only thing that made sense when I brought this up the first time was that the fins might act as load balancers for the top. Because the fins pretty much touch the filter, they might keep the top from compressing under force. Now with the fins removed, there might be more flex in the lid and actually create less volume of air available to pass through.

Walked U · 05-29-2007, 02:38 PM

Quote:

Originally Posted by HyperM3

I put in an ITG filter and I seem to get more noise now anyway. Plus I can hear the diverter valves and turbos A LOT louder too. I guess I just ended up thinking that if it was there for a reason and not removable from the start then Ill leave it. Its not like the older airboxes that had clipped in ports or baffles that you could remove in 5 mins and make it sound like V-Tec

+1 i hear my turbos spool with the ITG filter. Its a lot louder.

Terry335 · 05-29-2007, 03:09 PM

Quote:

Originally Posted by HyperM3

The only thing that made sense when I brought this up the first time was that the fins might act as load balancers for the top. Because the fins pretty much touch the filter, they might keep the top from compressing under force. Now with the fins removed, there might be more flex in the lid and actually create less volume of air available to pass through.

I would worry more about the filter sucking up than the lid sucking down, but there isn't enough vacuum in there to do either imo. I didn't notice any addl noise with mine, maybe when I add the K&N filter it will get louder.

imua · 05-29-2007, 03:35 PM

At least you tired to do something productive with your boredom.

Terry335 · 05-29-2007, 04:19 PM

Quote:

Originally Posted by imua

At least you tired to do something productive with your boredom.

The rest of the day was spent playing Command & Conquer 3.

bimmerlex · 05-29-2007, 04:40 PM

Quote:

Originally Posted by Terry335

The rest of the day was spent playing Command & Conquer 3.

Terry, I'm surprised how you have so much free time with a little baby. I can't even find a free minute to go wash my car, but then again... I have two little babies

Terry335 · 05-29-2007, 04:46 PM

Quote:

Originally Posted by bimmerlex

Terry, I'm surprised how you have so much free time with a little baby. I can't even find a free minute to go wash my car, but then again... I have two little babies

Hehe he was being pretty good this weekend, mostly sleeping and trying to teach himself to crawl. Next weekends project is to baby-proof the house. I can't imagine two of them at the same time, I think he's going to be an only child.

schneid4323 · 05-29-2007, 06:49 PM

I actually did this...... looked at the box and the schematic.... it is a good ideal and it does obvious benifits

AR230WAKEBOARDER · 06-01-2007, 11:18 AM

I was looking at our whole intake setup last night. It seems like it wouldn't be to hard to remove the whole intake box and all and create a "Y" coming from each of the pipes feeding the turbos and add a large cone filter. Then I was planning on fabricating a box around it tying it into the factory snorkel.

scalbert · 06-01-2007, 12:18 PM

Quote:

Originally Posted by AR230WAKEBOARDER

I was looking at our whole intake setup last night. It seems like it wouldn't be to hard to remove the whole intake box and all and create a "Y" coming from each of the pipes feeding the turbos and add a large cone filter. Then I was planning on fabricating a box around it tying it into the factory snorkel.

I had noticed the same thing and considered doing it; but then decided against it as I do not have the time to dedicate to do it correctly.

Steage · 06-01-2007, 01:00 PM

Brilliant.

BMW paid some guy a lot of money to design that... but you totally made it better.

If only they had hired you instead.

Terry335 · 06-01-2007, 01:35 PM

Quote:

Originally Posted by JeremyDS

Brilliant.

BMW paid some guy a lot of money to design that... but you totally made it better.

If only they had hired you instead.

Talk to us when you have a 335.

BoostedBMW · 06-01-2007, 01:40 PM

Quote:

Originally Posted by Walked U

+1 i hear my turbos spool with the ITG filter. Its a lot louder.

This is good to hear.

Steage · 06-01-2007, 02:11 PM

Quote:

Originally Posted by Terry335

Talk to us when you have a 335.

Noted. I'll come back when I forget that there are complex fluid mechanics at work that have probably been calculated and optimized.

scalbert · 06-01-2007, 02:19 PM

Quote:

Originally Posted by JeremyDS

Noted. I'll come back when I forget that there are complex fluid mechanics at work that have probably been calculated and optimized.

In defense, the original designers were also concerned with sound as well as performance with the prior possibly getting the most attention.

But in this case, I doubt the fins provided any real sound suppression.

Terry335 · 06-01-2007, 02:41 PM

Quote:

Originally Posted by scalbert

In defense, the original designers were also concerned with sound as well as performance with the prior possibly getting the most attention.

But in this case, I doubt the fins provided any real sound suppression.

The bar is to help hold down the filter, and I think the fins are there to help draw air across filter more evenly for longer filter life (at the expense of peak flow).

max boost · 06-08-2007, 11:18 PM

terry c5 guys have zip tie mod. remove the lid and use long zip ties to hold filter down. i havent looked at my lid on the 335 but is that something thats possible?

Terry335 · 06-09-2007, 01:44 AM

Quote:

Originally Posted by max boost

terry c5 guys have zip tie mod. remove the lid and use long zip ties to hold filter down. i havent looked at my lid on the 335 but is that something thats possible?

Yeah I used to do that.

On this car the filter is under the hood so it won't work.

05-29-2007, 12:55 PM	#23
modster aka Alex 12 Rep 336 Posts Drives: E92 Join Date: Sep 2006 Location: Socal iTrader: (1)	+1
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05-29-2007, 03:35 PM	#30
imua Private 5 Rep 63 Posts Drives: 06 M3 ZCP/m6, 2009 M3 AW/DCT Join Date: Feb 2007 Location: Hawaii iTrader: (0)	At least you tired to do something productive with your boredom.
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05-29-2007, 06:49 PM	#34
schneid4323 Banned 330 Rep 1,134 Posts Drives: 335i, M6 Join Date: Dec 2006 Location: Dallas TX iTrader: (0)	I actually did this...... looked at the box and the schematic.... it is a good ideal and it does obvious benifits Last edited by schneid4323; 05-29-2007 at 07:12 PM..
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06-01-2007, 11:18 AM	#35
AR230WAKEBOARDER Private First Class 4 Rep 144 Posts Drives: MONTEGO BLUE 335I Join Date: Mar 2007 Location: Why? iTrader: (0)	I was looking at our whole intake setup last night. It seems like it wouldn't be to hard to remove the whole intake box and all and create a "Y" coming from each of the pipes feeding the turbos and add a large cone filter. Then I was planning on fabricating a box around it tying it into the factory snorkel.
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06-01-2007, 01:00 PM	#37
Steage Private 24 Rep 99 Posts Drives: 330i Join Date: Apr 2007 Location: GA iTrader: (0)	Brilliant. BMW paid some guy a lot of money to design that... but you totally made it better. If only they had hired you instead.
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06-08-2007, 11:18 PM	#43
max boost Lieutenant 40 Rep 408 Posts Drives: 07 335i Join Date: Nov 2006 Location: east side iTrader: (1)	terry c5 guys have zip tie mod. remove the lid and use long zip ties to hold filter down. i havent looked at my lid on the 335 but is that something thats possible?
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