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

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2010 BMW 650i, 2009 BMW 650i, 2008 BMW 750i, 2008 BMW 750Li, and 2008 BMW 650i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

(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 EMISSIONS-CONTROL, LAMBDA OXYGEN SENSOR for specs.

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.