11 78 510 Removing and installing/replacing control sensor (N12)

WARNING: Scalding hazard!
Only perform these tasks after 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 control sensor which projects into the exhaust system 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 .

NOTE: For purposes of clarity, illustration shows and description refers to the removed engine.

Fig 1: Removing Oxygen Sensor Using Special Tool (11 7 020)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.