Install catalytic converter

Prepare for the installation of the catalytic converter

Replace the V-ribbon clip (1).
Parts: V-band clamp

Courtesy of BMW OF NORTH AMERICA, INC.
Replace gasket (1).
Parts: Gasket

G12730983

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CAUTION: Heavy component.
Heavy components can lead to injury or damage.

Remove and install heavy components with the aid of another person/other persons.

Guide in catalytic converter (1) in direction of arrow and install.
Make sure that the oxygen sensor monitor (2) is not damaged.
Replace the V-clip (2).

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Parts: V-band clamp
Feed in and install V-band clamp (2) on the catalytic converter (3).
Position the bolt (1).

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Version A:
Replace the screw (1).

Parts: Screw

Position the bolt (1).

Replace nut (2).

Parts: Nut

Position the nut (2).

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Version B:
Replace nuts (1).

Parts: Nuts

Position nuts (1).

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Position the catalytic converter (3).
Position V-clip (2).

NOTE: Make sure the V-ribbon clip is installed in the correct position.

Tighten down screw (1).

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Version A:

Tighten down screw (1).

TIGHTENING TORQUES SPECIFICATION

Catalytic converter to holder
M8 Replace screw.	Tightening torque	19 Nm
M8 Replace screw.	Tightening torque	19 Nm

G14193063

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten nut (2).

TIGHTENING TORQUE SPECIFICATION

Catalytic converter to holder
M8 Replace nut.	Tightening torque	19 Nm
M8 Replace nut.	Tightening torque	19 Nm

Version B:

Tighten the nuts (1).

TIGHTENING TORQUES SPECIFICATION

Catalytic converter to holder
M8 Replace nut.	Tightening torque	19 Nm
M8 Replace nut.	Tightening torque	19 Nm

G14193064

Courtesy of BMW OF NORTH AMERICA, INC.

Feed in and install the heat shield (2).
Tighten nuts (1).

TIGHTENING TORQUES SPECIFICATION

Heat shield to body
Nut	Tightening torque	3 Nm,

G14206957

Courtesy of BMW OF NORTH AMERICA, INC.

Replace pressure hose (1)
Parts: Pressure hose
Push on the pressure hose (1) in direction of arrow up to the stop.

G14193081

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING THE COMPLETE EXHAUST SYSTEM .
Refer to IF INSTALLED: INSTALL THE TORSION STRUT ON THE RIGHT, AND ON THE LEFT WHERE REQUIRED .
Refer to INSTALL THE CONNECTING SUPPORTS ON THE TUNNEL .
Refer to INSTALL THE CENTER UNDERBODY PROTECTION .
Refer to INSTALLING LAMBDA OXYGEN SENSOR .
Refer to INSTALLING ACOUSTIC COVER AT REAR .
Refer to INSTALL ACOUSTIC COVER .
Refer to INSTALL THE FRONT HOOD SEAL AT THE REAR .