S6 Quattro Sedan V10-5.2L (BXA) (2007)
Air Filter Element: Service and Repair
Air Filter Inserts
Remove left air filter housing:
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Remove bolts - arrows - and remove left air duct.
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Loosen hose clamp - 1 - and remove screws - 2 to 4 -.
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Disconnect electrical connector - arrow - on mass air flow (MAF) sensor 2 (G246).