11 78 545 Removing and installing/replacing monitor sensor (N14)

11 7 020

WARNING: Scalding hazard!

Only perform these tasks after the exhaust system has cooled down.

Installation:

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 monitor sensor which projects into the exhaust system branch (sensor ceramic) must not be cleaned or come into contact with lubricant.

Disconnect plug connection for monitor sensor.

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

For tightening torque refer to 11 78 1AZ in 11 78 EMISSIONS CONTROL, CONTROL SENSOR / MONITOR SENSOR .

Fig 1: Monitor Sensor And Special Tool (11 7 020)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.