11 78 533 Replacing right 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 control unit
Switch off ignition
REMOVE ENGINE COVER

Installation note:

The threads of new oxygen control/monitoring sensors are already coated with NEVER-SEEZ compound.

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 (1).

Tightening torque 11 78 1AZ .

Fig 1: Removing/Installing Control Sensor Using Special Tool 11 7 020

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Check function of DME control unit.

Pay attention to cable routing of control sensor.