11 78 510 Removing and installing/replacing control sensor (N14)

Special tools required:

11 7 020

WARNING: Risk of burning!
Only perform these tasks after the exhaust system has cooled down.

Installation note:

If an oxygen sensor is to be reused, only apply a thin and uniform coat of Never Seez Compound to thread.

The part of the oxygen control sensor which projects into the exhaust branch (sensor ceramic) must not be cleaned or come into contact with lubricant.

Disconnect plug connection for control sensor.

Release oxygen sensor (1) with special tool 11 7 020 .

Tightening torque 11 78 1AZ .

Fig 1: Releasing Oxygen Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.