11 78 540 Replacing left monitor sensor (S65)
WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
- 11 7 030
See ENGINE - SPECIAL TOOLS .
WARNING:
Scalding hazard!
Only perform these tasks after exhaust system has cooled down.
Only perform these tasks after exhaust system has cooled down.
Necessary preliminary tasks:
- Read out fault memory in Digital Motor Electronics (DME)
- Remove transmission underbody protection
Disconnect plug connection (1).
Remove monitor sensor with special tool 11 7 030 .
Installation:
If the monitor sensor is reused, only apply a thin and uniform coat of Never Seez Compound to thread.
The part of the oxygen monitor sensor which projects into the exhaust system branch (sensor ceramic) must not be cleaned or come into contact with lubricant.
IMPORTANT:
Reinstall plug connection (1) and cable routing without fail in condition on delivery (see illustration).
Risk of damage if this instruction is not observed!
Risk of damage if this instruction is not observed!
Secure monitor sensor (2) with special tool 11 7 030 and a torque wrench.
Tightening torque: 11 78 1AZ . See EMISSION CONTROL .
Add final details to vehicle.
Check function of DME.