11 78 530 Replacing Left Oxygen Control Sensor (N62/N62TU)

WARNING: This page is about a different variant/trim than selected.

Special tools required:

11 7 030
11 9 150

(cylinder bank 5 to 8)

Necessary preliminary tasks:

Switch off ignition
Remove reinforcement plate

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

Unlock and detach plug connection (3).

Unclip control sensor cable.

Fig 1: Identifying Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Release control sensor (4) with special tool 11 7 030 in conjunction with 11 9 150 .

Fig 2: Identifying Control 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 to thread.

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

Installation:

When special tool 11 9 150 is used in conjunction with special tool 11 7 030 , 47 Nm on the torque wrench dial corresponds to an actual tightening torque of 50 Nm.

Tighten down control sensor (4) with special tool 11 7 030 in conjunction with 11 9 150 .

Tightening torque 11 78 1AZ . See ENGINE - TIGHTENING TORQUES (N62TU V8) .

Pay attention to cable routing of control sensor.

Fig 3: Identifying Special Tool (11 7 030) And (11 9 150)

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.