A4 Quattro Cabriolet V6-3.0L (BGN) (2005)
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Unscrew oxygen sensor behind catalytic converter (arrow) using special tool 3337/7.
NOTE: Illustration is shown with engine removed.
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Remove nut -2- for exhaust pipe/exhaust manifold which is accessible from top.
NOTE: Illustration is shown with engine removed.
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Remove left front wheel.
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For vehicles with auxiliary heater, remove bolts (arrows) for exhaust pipe of auxiliary heater on sound insulation.
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Remove bolts or release quick-release screws -1- and -2- and remove front sound insulation.
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Remove quick-release screws -3- and remove rear sound insulation, if present.
