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Old 03-06-2013, 12:57 PM   #1
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Join Date: Feb 2013
Location: Maple Valley WA
Posts: 529
My Ride: 2004 e46 M3 cabrio
Sound dampening kits/mat/materials?

Hey guys!

I am in the middle of tearing my door and rear panels off for other projects on my e46 M3, and have been reading about sound dampening mats or products.

While I have this stuff off, it seems like a good idea even before I consider a BSW speaker upgrade or something similar. Kill some road noise and improve the existing HK system a little.

Suggestions? I have watched the BSW stage 1 install video simply to see how they just apply the matting in strips with a roller, just wherever it fits.

Any suggestions for best "go to" product? Dyno-mat I read or something similar?

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Old 03-07-2013, 11:24 PM   #2
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Join Date: Feb 2008
Location: Arkansas
Posts: 407
My Ride: E46, E53, E90
I have some in my doors and tunk. I used some stuff called edead form a company that is no longer in business called elemental designs. It was the same as dynomad and it was peel and stick as well. It works great for reducing door card rattle since the spakers are attached to the door card instead of beint in the door like they should. I have two 12' subs in my trunk and it has reduced trunk rattle tremendously. I applied it to the trunk lid and the part under the parcel shelf. Sine elemental designs is no longer in business I think I'm going to go with stinger road kill as all these products seem to be the same. They mainly just thicken the flimsy metal and help absorb the sound waves to help keep it from resonating. I'm doing my whole trunk floor and sides this spring when I put in a JL 12w6. If you already have the doors off, are planning to upgrade the speakers later and have the money to spend then its a good upgrade. I didn't notice any noise reduction though as far as road noise goes, just better sounding speakers because there was less rattle.
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Old 03-07-2013, 11:53 PM   #3
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Dynamat is still available as well as several other similar products.


Dynamat Alternative
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Old 03-08-2013, 09:18 AM   #4
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Location: Maple Valley WA
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My Ride: 2004 e46 M3 cabrio
Thanks guys.. I will definitely check that out. Seems like a good idea to do, especially if somewhere down the road (pun intended) I may do the BSW stage 1.
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