11 78 543 Replacing Right Oxygen Monitor Sensor (N62/N62TU)

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 7 030

(cylinder bank 1 to 4)

Necessary preliminary tasks:

Switch off ignition
Remove rear underbody protection . See 51 47 491 REMOVING AND INSTALLING/REPLACING REAR UNDERBODY PROTECTION .

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

Unlock and detach plug connection (1) for monitor sensor (2).

Unclip monitor sensor cable.

Release monitor sensor (2) with special tool 11 7 030 .

Fig 1: Identifying Plug Connection And Monitor Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Threads of new oxygen sensors are already coated with Never Seez Compound.

If the oxygen sensor is reused, only apply a thin and uniform coat of Never Seez Compound (refer to BMW Parts Service) to thread.

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

Installation:

Tighten down monitor sensor (2) with special tool 11 7 030 .

Tightening torque. See ENGINE - TIGHTENING TORQUES -- ALPINA .

Pay attention to cable routing of monitor sensor.

Fig 2: Identifying Monitor Sensor And Special Tool (11 7 030)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Read out fault memory of control unit of Digital Motor

Electronics (DME).

Check stored fault messages.

Rectify faults.

Now clear the fault memory.