I recently watched a YouTube video where someone put a thin wall tube into a similar hole and MIG welded metal down the middle of it and finally welded a nut on. He was able to get it to back out.

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2001 x5 3.0 (sold with broken motor), 1990 e30 M3, 1991 318is, 2002 325i, 2008 335i Dinan stage 3 6 speed,