A8 Quattro Sedan V8-4.2L (BGK) (2006)
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Disconnect electrical connector - 1 -.
‹› When loosening bolt - 4 -, secure threaded plate against falling off.
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Remove bolts - 2 through 4 - and remove right side part of intake manifold.
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Disconnect electrical connectors - 1 - on ignition coils - 2 -.
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Remove ignition coils from spark plugs with (T10166).
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Remove spark plugs using (3122 B).