S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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Remove air filter housing air guide - 1 - on the intermediate flange - 2 -.
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Release retaining tabs - A arrows - and tilt the left and right air ducts - 1 - toward the center of the vehicle - arrow B -.
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Release left and right radiator retaining pins and remove by pulling upward - arrows -.