Why the heavy sheets of "tarpaper" under the carpet?

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  • AV325i
    Advanced Member
    • Jul 2008
    • 104
    #1

    Why the heavy sheets of "tarpaper" under the carpet?

    I just pulled the carpet out of my 325i and notices heavy sheets of what looks like really thick tarpaper under the carpet. It's in the trunk too. What is this stuff for? Noise reduction? Heating/cooling insulation? Then why in the trunk? Do I really need it? The stuff in the trunk is fairly heavy. Thanks!
    Tags: None
    • SpartanTiger81
      E30 Addict
      • Sep 2007
      • 555
      #2
      Noise reduction..


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        • E30_fiend
          R3V OG
          • Apr 2006
          • 7348
          #3
          no you dont need it
          Need a performance chip for you BMW? Shoot me a PM and I'll get you taken care of!!
          Taylor- Follow me on Instagram @e30_fiend

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            • Stu
              R3V Elite
              • Oct 2003
              • 4083
              #4
              Sound deadening material. I'd keep it on a DD. The weight is negligable plus it's at the lowest point on the car.

                Comment

                • AV325i
                  Advanced Member
                  • Jul 2008
                  • 104
                  #5
                  I think I will leave it out

                  Thanks. I think I will take the noise reduction "tarpaper" out and see how much noiser it is.

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