11 78 540 Replacing left oxygen monitor sensor (N62)

WARNING: This page is about a different car, the 2006 BMW X5, 2005 BMW X5, and 2004 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 7 030

Necessary preliminary tasks:

Check function of DME.
Switch off ignition.

WARNING: Scalding hazard!
Only perform this task on an engine that has cooled down.

Unclip monitor sensor cable from fixture (1).

Unlock and detach plug connection (2) for monitor sensor.

Fig 1: Unclipping Monitor Sensor Cable From Fixture

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Releasing Monitor Sensor With Special Tool 11 7 030

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Tightening torque, see ENGINE - TIGHTENING TORQUES .

Installation:

Threads of new oxygen sensors are already coated with Never Seize compound.
If an oxygen sensor is reused, only apply a thin and uniform coat of Never Seize compound to thread.
Oxygen sensor section projecting into exhaust system branch must not be cleaned or come into contact with lubricant.

Installation:

Check function of DME.

Pay attention to cable routing of monitor sensor.