11 78 530 Replacing left oxygen control sensor (N62): Notes

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Special tools required:

11 7 030
11 9 150

(cylinder bank 5 to 8)

Switch off ignition.

WARNING: Scalding hazard!
Only perform this task on an engine that has cooled down.

Unlock and detach plug connection (3).

Fig 1: Detaching Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip oxygen control sensor cable.

Release oxygen control sensor (4) with special tool 11 7 030 in conjunction with 11 9 150.

Fig 2: Releasing Oxygen Control Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Threads of new oxygen sensors are already coated with Never Seez compound.

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

Oxygen sensor section projecting into exhaust system branch must not be cleaned or come into contact with lubricant.