A8 Quattro Sedan V8-4.2L (BGK) (2006)
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Remove electrical connector from Mass Air Flow (MAF) Sensor 2 (G246).
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Remove bolts - arrows -.
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Remove upper part of air filter housing.
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Remove the screws - 1 - and - 3 -.
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Pull ignition coils about 30 mm out of spark plug shaft with Puller (T40039).