18 32 510 Removing and installing/replacing left or right catalytic converter (M62)

WARNING: This page is about a different variant/trim than selected.

WARNING: Scalding hazard!
Only perform these tasks after exhaust system has cooled down.

Measure length (D) of pipe section on new catalytic converter.

Transfer determined length (D) to removed catalytic converter.

Fig 1: Measuring Length Of Pipe Section On New Catalytic Converter

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Cut through and deburr exhaust pipe at determined point between catalytic converter and center muffler with special tool 00 2 210.

Fig 2: Cutting Exhaust Pipe At Determined Point Between Catalytic Converter & Center Muffler

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The apertures on the new catalytic converter are sealed with adhesive film.

Completely remove adhesive film from new catalytic converter.

Make sure there are no foreign bodies in catalytic converter.

Fig 3: Removing Adhesive Film From New Catalytic Converter

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Connect new catalytic converter and center muffler using clamping sleeves.

Fig 4: Connecting New Catalytic Converter And Center Muffler Using Clamping Sleeves

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Installation:

Nuts point downwards.

Align clamping sleeves so that:

NOTE: Do not clean oxygen and monitor sensors and do not bring into contact with lubricant.

Protect oxygen and monitor sensors when applying underbody protection.

Unscrew oxygen and monitor sensor from old catalytic converter. If necessary, replace oxygen and monitor sensor.

Fig 5: Removing Oxygen And Monitor Sensors From Old Catalytic Converter

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque, refer to 11 78 1AZ in ENGINE - TIGHTENING TORQUES - X5 4.6L .

Coat thread with grease for oxygen sensor, refer to BMW SERVICE OPERATING FLUIDS .

Screw oxygen and monitor sensor onto new catalytic converter.