Removing all oxygen sensors

Unlock the clamps (1).
Feed out air duct (2) in the arrow direction and remove.

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Unlock lock (1).
Let the lock (1) engage at the holder (arrow).

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Unlock the locks (1).
Feed out and remove the clean air pipe (2) for cylinders 4 to 6.

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Unlock plug connection (1) and disconnect.

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Unlock and release the lock (1) with the screwdriver (2).
Feed the connector (3) in the arrow direction out of the carrier plate and set it to one side.

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Feed the cable (1) out of the clamps (arrows) and set aside.

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Feed the heat shield (1) out of the clamp (2) and place to one side.

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Release the cable tie (1) with a conventional tool.
Feed out the heat shield (2) in direction of arrow and set it aside.

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Position special tool 0 491 074 (11 7 020) on the oxygen sensor monitor (1) for cylinders 1 to 3.

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Release the oxygen sensor monitor (1) for cylinders 1 to 3 with special tool 0 491 074 (117 020) and remove.

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Unlock the locks (1).
Guide and remove cover (2) in arrow direction.

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Release nuts (1).
Feed out the positive battery cables (2) from the remote positive terminal (3) and set them aside.
Feed out the positive battery cables (2) from the clamps (4) and set aside.

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Unlock plug connection (1) and disconnect.

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Unlock the locks (arrows).
Feed the connector (1) out of the carrier plate and place it to one side.

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Feed out the cable (1) from the holder (2) and set aside.
Feed out the cable (1) from the clamps (3) and set aside.

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Feed out and remove the clamp (1).

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Position the special tool 0 491 075 (11 7 030) using the special tool 0 493 751 (11 9 150) on the Lambda oxygen sensor (1) for the cylinders 4 to 6.

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Release Lambda oxygen sensor for the cylinders 4 to 6 using the special tool 0 491 075 (11 7 030) and special tool 0 493 751 (11 9 150) and remove.

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Loosen screws (1).

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Guide out and remove the heat shield (1).

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Unlock the locks (arrows).
Feed the connector (1) out of the carrier plate and place it to one side.

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Unlock plug connection (1) and disconnect.

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Feed the cable (1) out of the clamps (arrows) and set aside.

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Position the special tool 0 491 074 (11 7 020) on the Lambda oxygen sensor (1) for the cylinders 1 to 3.

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Release the Lambda oxygen sensor (1) for cylinders 1 to 3 with special tool 0 491 074 (117 020) and remove.

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Unlock plug connection (1) and disconnect.

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Loosen screws (1).
Raise the carrier plate (2) slightly.

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Unlock connector (1) using a standard screwdriver (2) and release.
Feed the connector (1) out of the carrier plate in the arrow direction and set it to one side.

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Loosen nuts (1).
Feed out and remove the heat shield (2).

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Release nut (1).
Pull out the positive battery cable (2) from the clamp (3) and set it aside.

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Release nuts (1).
Loosen screws (2).
Guide out and remove holder (3).

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Release the clamp (1) with a standard tool (2).

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Prepare the special tool.

Number	Description
1	Torque wrench
11 7 030	Wrench socket
11 9 150	Extension

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Position special tool 0 491 075 (11 7 030) and special tool 0 493 751 (11 9 150) on the oxygen sensor monitor (1) for cylinders 4 to 6.

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Release the oxygen sensor monitor (1) for cylinders 4 to 6 with special tool 0 491 075 (11 7 030) and special tool 0 493 751 (11 9 150) and remove.

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