Thread: Sound deadening
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      07-08-2019, 04:49 PM   #272
Fedorov
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Drives: BMW 330i G20
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I bought some 3mm thick sound deadening material and cut them in shape of the floor mats and put them underneath to see if it did something good.

I actually think that it reduces sound in some frequency, of course not to the extent as many of you did but a little is enough for me.
Oh, and I also put some in that area of the trunk where the battery is where that lid rests so to speak and also in the bottom of the battery area where that "emergency repair kit" is.

Best thing though, put on brand new Michelins PS4s and they also made an improvement in slightly reduced tire noise compared to the conti3s.
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