11 78 610 Replacing monitoring sensor (N55 hybrid car)

Special tools required:

WARNING: Compliance with the following points is mandatory before beginning work:

WARNING: Risk of burning!
Work should only be carried out on an exhaust system that has cooled down.

Necessary preliminary work:

Installation note:

The threads of new monitoring sensors are already coated with NEVER-SEEZ compound .

If a monitoring sensor is to be reused, apply a thin and even coating of NEVER-SEEZ compound to the thread only.

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

Disconnect plug connection of monitoring sensor (1).

Installation note:

Cable color of control sensor = black.

Cable color of monitoring sensor = grey.

Fig 1: Identifying Plug Connection Of Monitoring Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Remove monitoring sensor.

Tightening torque 11 78 2AZ .

Fig 2: Identifying Monitoring Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Reassemble the vehicle.

Check function of DME.