Replacing the catalytic converter
- Release the oxygen sensor monitor (1) with the special tool 0 491 074 (11 7 020).
- Thread out the oxygen sensor monitor (1) and remove it.
Preparing oxygen sensor
NOTE:
TECHNICAL INFORMATION
Grease the threads of new oxygen sensors thinly and evenly.
For oxygen sensors that are reused, the following should be observed:
Thinly and evenly grease the oxygen sensor on the thread only. Do not clean the part of the oxygen sensor that does not protrude into the exhaust line (sensor ceramics) and do not grease.
For additional information see: 11 00 OVERVIEW OF CONSUMABLES (BMW PARTS CATALOGUE)
Grease the threads of new oxygen sensors thinly and evenly.
For oxygen sensors that are reused, the following should be observed:
Thinly and evenly grease the oxygen sensor on the thread only. Do not clean the part of the oxygen sensor that does not protrude into the exhaust line (sensor ceramics) and do not grease.
For additional information see: 11 00 OVERVIEW OF CONSUMABLES (BMW PARTS CATALOGUE)
NOTE:
TECHNICAL INFORMATION
For additional information see: 11 00 OVERVIEW OF CONSUMABLES (BMW PARTS CATALOGUE)
For additional information see: 11 00 OVERVIEW OF CONSUMABLES (BMW PARTS CATALOGUE)
- Prepare the oxygen sensor.
Do not damage the sensor ceramics.
- Thread
- Sensor ceramics
- Insert the oxygen sensor monitor (1) and install it.
- Tighten the oxygen sensor monitor (1) with the special tool 0 491 074 (11 7 020).TIGHTENING TORQUES SPECIFICATION
Oxygen sensor monitor M18x1.5 Tightening torque 50 Nm

