Looks like this method is "holding water" quite well. Could be used as a "temporary" solution, but by the looks of things, it lasts quite a bit. One could fix it like this, and buy another part to have it at the ready in case the "fix" will fail.

Here is the fix from the ZHP Mafia.

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Stable: e92is, e46 M54B25, e83 N52, e53 N62 - sold, e39 M54B30 R.I.P.