11 78 510 Replacing oxygen sensor (M62 / S62): Installation
WARNING: This page is about a different variant/trim than selected.
The threads of new oxygen sensors are already coated with Never Seez Compound.
If an oxygen sensor is used again, apply a thin and event coat of Never Seez Compound to the thread only.
Do not clean the oxygen sensor section jutting into the exhaust line and do not bring it into contact with lubricant.
Protect (mask) oxygen sensor when applying underseal.
Note cable routing of oxygen sensor.