A8L Quattro Sedan W12-6.0L (BSB) (2005)
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Remove coolant hoses - 1 - and - 2 - at radiator by releasing the retaining clips.
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Remove front part of wheel housing liner at front left and right.
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Remove front bumper cover.
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Separate electrical connector - 1 - for mass air flow (MAF) sensor (G70).
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Disconnect air duct hose - 4 - at intake manifold.
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Unhook retainer for connections - 2 - and - 3 - at upper part of air filter housing.