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      05-30-2014, 06:06 AM   #41
c_ozanich
Mech Engr
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Drives: 2011 135i 6MT
Join Date: Sep 2012
Location: Aiken SC

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Quote:
Originally Posted by mike082802 View Post
what did you use to cut the muffler open?
Quote:
Originally Posted by 805beemer View Post
Grinder and a metal cutoff wheel
Yup--4.5 inch angle grinder and a steady hand. I just back filled the overlapped cut lines with excess weld and ground smooth to check for holes, then applied a fatter bead to make it look pretty and ground smooth again.
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