Notes
WARNING: Risk of burning! Only perform this work after engine has cooled down.
Necessary preliminary work
Unlock plug connection and detach.
Unclip control sensor cable from holder.
Release control sensor with special tool 11 7 020.
Fig. 532: Releasing Control Sensor Using Special Tool 11 7 020
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. 533: Securing Control Sensor Using Special Tool 11 7 020 And Torque
Wrench
Installation note: Check function of DME control unit.
Pay attention to cable routing of control sensor.
REPLACING RIGHT MONITOR SENSOR (N63)
Notes
Necessary preliminary work
Release retaining clip (1).
Remove heat shield (2) over oxygen sensor.
Detach oxygen sensor cable from retaining clips (3).
Fig. 534: Identifying Heat Shield And Retaining Clips
Release monitoring sensor (1) with special tool 11 7 020.
Fig. 535: Releasing Monitoring Sensor Using Special Tool 11 7 020
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.
Fasten monitoring sensor (1) with special tool 11 7 020.
Tightening torque 11 78 1AZ.
Fig. 536: Installing Monitoring Sensor Using Special Tool 11 7 020
Installation note: Check function of DME control unit.
Pay attention to cable routing of monitor sensor.