11 78 610 Removing and installing/replacing monitoring sensor (B36A/B38A)

WARNING: This page is about a different variant/trim than selected.

Special tools required:

11 7 020

WARNING: Risk of burning!

Only perform these tasks after exhaust system has cooled down.

Necessary preliminary tasks:

Remove CLEAN AIR PIPE

Removal:

Unclip connector (1) of monitoring sensor from holder.

Unlock connector (1) of monitoring sensor and disconnect.

Fig 1: Locating Connector Of Monitoring Sensor

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Release cable of monitoring sensor from bracket (1).

Fig 2: Control Sensor Cable Bracket

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Release monitoring sensor (1) with special tool 11 7 020 .

Fig 3: Releasing Monitoring Sensor With Special Tool (11 7 020)

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Installation:

Installation note:

If an oxygen sensor is reused, thinly and evenly coat only the thread with NEVER-SEEZ COMPOUND (4.3) .

The part of the oxygen control sensor which projects into the exhaust branch (sensor ceramic) must not be cleaned or come into contact with lubricant.

Screw in monitoring sensor (1) and tighten down with special tool 11 7 020 .

Tightening torque: 11 78 1AZ .

Fig 4: Releasing Monitoring Sensor With Special Tool (11 7 020)

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Clip monitoring sensor cable in the bracket (1).

Fig 5: Control Sensor Cable Bracket

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Connect the connector (1) of monitoring sensor and clip it into the holder.

Fig 6: Locating Connector Of Monitoring Sensor

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Required follow-up work:

Check function of DME.