Can't find cover, Bumper Fog Light

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I have just purchased a 1997 Z3, 2,8L, and I can't find the little black square part that sits beside the fog lights on the front bumper. Does anyone know what this piece is called, or where to find it? I would like this little 'black' piece for the drivers/left side. Anyone have any ideas what the part is called or where to find one? I tried to put a link to a photo up, but I don't think it worked, I only see a black X. Hopefully the link will work.
Thank You

Can't find cover, Bumper Fog Light