De-baffle DIY - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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#1 (permalink) Old 06-26-2004, 02:02 PM
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I thought there was a debaffle DIY listed in the FAQS section, but I couldn't find it. Does anyone know where to find one?
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#2 (permalink) Old 06-26-2004, 05:14 PM
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If you can't find it here, there is one on bimmerforums in the E36 DIY section.

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#3 (permalink) Old 06-26-2004, 09:17 PM
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i've read the bimmerforums DIY one several times and still don't fully understand it. One day, i removed what i thought was the baffle, but it doesn't make sense to have that big of a hole sucking in air from the engine right there.

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#4 (permalink) Old 06-26-2004, 09:27 PM
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That's affectionately refered to as "the snorkle" the baffle is actually inside the airbox and in your case you'll have to cut it out. It basically just makes it louder, that's about it.

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#5 (permalink) Old 06-26-2004, 10:58 PM
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You are right, you end up with 4 inch hole in your box. If you the take the baffle from inside the box out also it greatly frees up the air flow. It very simple to get some 4 inch pipe and extend it forward a few inches to get the "fresh" air from in front of the radiator.

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#6 (permalink) Old 06-26-2004, 11:31 PM
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eh, i left my snorkel off. made room to mount the HID ballast.

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#7 (permalink) Old 06-27-2004, 04:10 PM
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I think my baffle is shot in my 93 325i muffler. Is it possible to just have the baffle fixed or do I need a new muffler?

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#8 (permalink) Old 06-27-2004, 04:12 PM
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Originally posted by Stunnd65@Jun 27 2004, 03:50 PM
I think my baffle is shot in my 93 325i muffler. Is it possible to just have the baffle fixed or do I need a new muffler?
what is the problem?

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#9 (permalink) Old 06-27-2004, 04:22 PM
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Basically, it's loud and sounds like there's a hole in it somewhere. Have had it checked twice and no holes found. The dealership said, by process of elimination, that the baffle is failing. I'm looking to quiet it down.

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#10 (permalink) Old 06-27-2004, 05:42 PM
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Look around online and buy someone's airbox that bought a CAI. Most cost effective way. But the baffle has nothing to do with the muffler or exaust system. But it does make things louder when you remove it.

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#11 (permalink) Old 06-27-2004, 06:05 PM
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i was looking at my old box to see what u guys mean, but i cant figure what it is that u take out.???? it all looks like it belongs. in a 94 325i airbox, if i am looking at the front of the car, where exactly is it? top rt, lower lefr front, ect.????

pix would be great if possible. thanks.
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#12 (permalink) Old 06-28-2004, 03:59 AM
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http://www.bmw-forums.com/forum/index.php?...&st=0&hl=baffle

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#13 (permalink) Old 06-28-2004, 05:35 AM
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danke dutch!

looks like my baffle has already been removed. guess thats why i cant find it!!!

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#14 (permalink) Old 06-28-2004, 12:02 PM
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I'm very new at this so thanks for your patience. So, can a baffle fail? When the "service adviser" said it was failing, I assumed it was part of the exhaust system. The dealership broke a couple things when doing my inspection and also put on a faulty rear shock, so I hate the thought of going back there for anything. What's a good way to really find a bimmer mechanic you can trust? I'm not at the point of doing too much on my own yet.

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#15 (permalink) Old 06-28-2004, 12:10 PM
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Stunnd: I think we are all talking about two different things here. You mentioned in an earlier post ...the baffle in your muffler...

That is not what we are talking about. We are talking about the bafle in the air box under the hood.

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