11 78 530 Replacing left control sensor (N63)

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 7 020

WARNING: Risk of burning!

Only perform this work after engine has cooled down.

Necessary preliminary work

Check function of DME control unit.
Switch off ignition.
Remove AIR FILTER HOUSING .

Unlock plug connection and detach.

Unclip control sensor cable at retaining clips.

Release control sensor with special tool 11 7 020 .

Fig 1: Releasing/Securing Control Sensor Using Special Tool (11 7 020)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

The threads of new lambda control/monitoring sensors are already coated with Never Seez Compound (refer to BMW Parts Department).

If a lambda control/monitoring sensor is to be reused, apply a thin and even coating of Never Seez Compound to the thread only.

The part of the lambda control/monitoring sensor which projects into the exhaust branch (sensor ceramics) must not be cleaned and not coated with lubricant.

Secure control sensor with special tool 11 7 020 and a torque wrench (1).

Tightening torque 11 78 1AZ .

Fig 2: Releasing/Securing Control Sensor Using Special Tool (11 7 020)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Check function of DME control unit.

Pay attention to cable routing of control sensor.