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Sound proofing/heat insulating materia

 Sergio Juan wrote:

>Anyone know of a good material to use for sound proofing and heat
insulation for floors and firewall
>(I seem to get a lot of heat/noise from the exhaust (headers/cat
converter).  I also need something
>to use as hood insulation for my E12 (it's hard to find a hood pad for this
model).  Anyone done
>this before on an E12? Where are the trouble spots?

MANY years ago, I bought a very nice under hood package from some outfit in
Pennsylvania - it appeared to be a one man shop. I have long since forgotten
the name, but he specialized in sound proofing for cars and boats. The
material was a sound proofing foam bonded to a shiny metallic skin on both
sides and was precut for the E12 528I. The company may have been called
"Sound Down"

Gwynne Spencer          '94 530IA