part of the secret is to match a cut out to the ridge of the damper that the pulley sits on (assuming it's like I'm thinking), so if you have a way to do that (jigsaw with metal blade works wonders) and drill then you should be able to make something work when you get access to it.

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1988 325is (purchased new) sold
2004 X5 3.0 2005 X3 2.5
2008 X5 3.0 (new to me)