11 78 530 Replacing Lambda control sensor, left (M62): Installation
WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, 2001 BMW X5, and 2000 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
The threads of new oxygen sensors are already coated with Never Seez Compound.
If an oxygen sensor is used again, apply a thin and even coat of Never Seez Compound to the thread only.
Do not clean the oxygen sensor section which protrudes into the exhaust line and ensure that it avoids all contact with lubricants.
Secure Lambda control sensor with special tool 11 7 030.
Tightening Torque,
refer to 11 78 1AZ in ENGINE - TIGHTENING TORQUES
Pay attention to cable routing of Lambda control sensor.