Thank you for all your comments. I see my options might not be set in stone, especially since Mark had his replaced without any issues.
I won't try to remove the manifold myself, as that would end in disaster, I am sure
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Johannes
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Audi S8 -99, Pearlescent, Alcantara/silk napa leather, Burr walnut insert, Alcantara roof lining upper pack
A8 32V engine
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Jeep Grand Cherokee -98