13 62 651 Removing/replacing oxygen sensor (N47 D20 O1)

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Special tools required:

11 7 020

WARNING: Risk of burning!
Only perform this repair work on an engine that has cooled down.

Necessary preliminary work:

Read out the fault memory of the DDE control unit.
Switch off ignition.
Remove INTAKE FILTER HOUSING .

Disconnect connector (1) and release from bracket.

Release oxygen sensor cable from clamp (2).

Remove oxygen sensor (3) with special tool 11 7 020 .

Tightening torque: 13 62 3AZ .

Fig 1: Identifying Connector, Oxygen Sensor And Clamp

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Threads of new oxygen sensors are already coated with NEVER-SEEZ compound.

If an oxygen sensor is reused, only apply a thin and uniform coat of NEVER-SEEZ compound to thread.

Oxygen sensor section projecting into exhaust branch must not be cleaned or come into contact with lubricant.

Pay attention to cable routing of oxygen sensors.

11 7 020 Use special tool to tighten down oxygen sensor.

Tightening torque: 13 62 3AZ .

Cover oxygen sensors when applying underbody protection.

Installation note:

Check stored error/fault messages.

Delete fault memory.