A3 Quattro V6-3.2L (BUB) (2008)
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Disconnect electrical connectors - 1 - and - 2 - for Heated Oxygen Sensor (HO2S) G39 (in front of catalytic converter) and Heated Oxygen Sensor
(HO2S) 2 G108 (in front of catalytic converter).
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Free up electrical wires to oxygen sensors.
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Remove Heated Oxygen Sensor (HO2S) 2 G108 - 1 - and Heated Oxygen Sensor (HO2S) G39 - 2 -.
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Remove bolts - 1 - and - 3 - and remove front exhaust pipe support - 2 -.
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Remove front exhaust pipe nuts accessible from top from exhaust manifolds - arrows -.