11 78 530 Replacing Left Control Sensor (N63O1)

Special Tools Required:

11 7 020 .

WARNING: Risk of Burning!
Only Perform Repair Work After Engine Has Cooled Down.

Necessary Preliminary Tasks:

Check Function of DME.
Switch Off Ignition.
Remove ENGINE COVER .
Remove Left INTAKE SILENCER HOUSING .

Release Control Sensor with Special Tool 11 7 020 .

Fig 1: Releasing Control Sensor Using Special Tool (11 7 020)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation Note:

The Threads of New Oxygen Control/Monitoring Sensors Are Already Coated with 4.2 NEVER SEEZ COMPOUND (Refer To BMW Parts Department).

If A Lambda Control/Monitoring Sensor Is To Be Reused, Apply A Thin and Even Coating of Never Seez Compound To The Thread Only.

The Part of The Lambda Control/Monitoring Sensor Which Projects Into The Exhaust Branch (Sensor Ceramics) Must Not Be Cleaned and Not Coated with Lubricant.

Secure Control Sensor with Special Tool 11 7 020 and A Torque Wrench.

Tightening torque 11 78 1AZ .

Fig 2: Releasing Control Sensor Using Special Tool (11 7 020)

Courtesy of BMW OF NORTH AMERICA, INC.