11 78 543 Replacing Right Oxygen Monitor Sensor (S85)

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Special tools required:

11 7 030

WARNING: Scalding hazard!
Only perform these tasks after exhaust system has cooled down.

Necessary preliminary tasks:

Read out fault memory in Digital Motor Electronics (DME).
Remove transmission underbody protection.

Remove oxygen monitor sensor (1) with special tool 11 7 030.

Installation:

If the oxygen monitor sensor is reused, apply a thin and even coat of Never Seez Compound to the thread only.

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

Fig 1: Identifying Special Tools 11 7 030 And Oxygen Monitor Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Check function of DME.