E46Fanatics - View Single Post - HPF E46 turbo Grassroots Support
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Old 08-22-2019, 02:56 PM   #137
low flying
Registered User
Join Date: Jan 2012
Location: Santa Rosa, CA
Posts: 51
My Ride: 2003 M3
Mine blew a couple of times. I finally noticed that the HPF gasket was getting burnt away because the metal sealing ring of the gasket wasn't wide enough to prevent exhaust gases from eating away at the gasket asbestos like material. I solved the problem by making a full dimension thin copper gasket and using a very thin coating of silicon. I got the sheet copper at ACE Hardware.

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