13 62 651 Removing and installing/replacing monitoring sensor (N57 D30 O/T 1)
WARNING:
Risk of burning!
Only perform this repair work on an engine that has cooled down.
Only perform this repair work on an engine that has cooled down.
Necessary preliminary tasks:
- Read out the fault memory of the DDE control unit.
- Switch off ignition.
- Remove UNDERBODY PROTECTION
Unlock connector (2) and remove.
Release cable from clips (3).
Release the monitoring sensor (1) and remove.
Tightening torque 13 62 3AZ .
Installation note:
Threads of new oxygen sensors are already coated with NEVER-SEEZ compound.
If an oxygen sensor is reused, only apply a thin and uniform coat of Never Seez Compound to thread.
Oxygen sensor section projecting into exhaust branch must not be cleaned or come into contact with lubricant.
Pay attention to cable routing of oxygen sensors.
Tightening torque 13 62 3AZ .
Cover oxygen sensors when applying underbody protection.
Installation note:
Check stored error/fault messages.
Clear diagnostic fault entries from fault memory.