RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
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Loosen hex-nuts - 4 - by several turns.
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Loosen wiper arms - 2 - from the wiper axle by tilting slightly.
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Remove nuts completely and remove wiper arms.
‹› If wiper arm cannot be removed from wiper axle, use a commercially-available puller.
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Disconnect securing clips - 1 - and remove cowl grille - 5 -.
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Remove cover for E-Box in plenum chamber - arrows -.
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Using a screwdriver, carefully pry off mounting bracket - arrow - and remove ECM from E-Box.