13 62 651 Removing/replacing oxygen sensor (N47 D16/20 K/U/O/T 1)

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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 tasks:

Read out the fault memory of the DDE control unit.
Switch off ignition.
Remove ACOUSTIC COVER

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 Oxygen Sensor Connector

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.

Clear diagnostic fault entries from fault memory.