S4 Quattro Cabriolet V8-4.2L (BHF) (2008)
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Turn nuts - 4 - downward and remove both wiper arms - 2 -.
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Remove clamps - 1 - and remove cowl vent grille - 5 -.
Remove E-box in plenum chamber as follows:
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Remove screws - arrows - and remove cap.
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Carefully pry off retaining brackets - arrow - with help of a screwdriver.
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Lay aside ECM with connectors connected.