Oil filter gone bad

What you're looking at is what's left of an oil filter removed from the R1100S. It's not supposed to end that bad, but it was stuck on the engine. The bike had not run for at least a year and a half and I suspect the salvage company to store the rather-difficult-to-sell bikes outside.

As you can see, I had to drill several holes in the filter, first (the central hole) to empty the remaing oil that was trying to flee through its surface damaged by unsuccessful attempts to remove it, secondly (peripheral holes) to provide more grip to a claw oil filter wrench. I had a moment with that filter, it was a nightmare that even forced me to put the bike on its side ... and yes I do mean on the right cylinder head ... Ouch !