Install catalytic converter

Replace the V-clip (1) .

Parts: V-band clamp

Courtesy of BMW OF NORTH AMERICA, INC.

Replace the seal (1) .

Parts: Seal

Courtesy of BMW OF NORTH AMERICA, INC.

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 and install the catalytic converter (1) in the arrow direction.
Make sure that the oxygen sensor monitor (2) is not damaged.

Courtesy of BMW OF NORTH AMERICA, INC.

Replace the V-clip (2) .

Parts: V-band clamp

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

Courtesy of BMW OF NORTH AMERICA, INC.

Version A:

Replace the screw (1) .

Parts: Screw

Position the bolt (1) .

Replace nut (2) .

Parts: Nut

Position the nut (2) .

Courtesy of BMW OF NORTH AMERICA, INC.

Version B:

Replace nuts (1) .

Parts: Nuts

Position nuts (1) .

Courtesy of BMW OF NORTH AMERICA, INC.

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) .

Courtesy of BMW OF NORTH AMERICA, INC.

TIGHTENING TORQUE SPECIFICATION

Catalytic converter/gasoline particulate filter to exhaust turbocharger
V-band clamp Replace V-band clamp.	Tightening torque	13 Nm

Version A:

Tighten down screw (1) .

Courtesy of BMW OF NORTH AMERICA, INC.

TIGHTENING TORQUE SPECIFICATION

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

Tighten nut (2) .

TIGHTENING TORQUE SPECIFICATION

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

Version B:

Tighten nuts (1) .

TIGHTENING TORQUE SPECIFICATION

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

Courtesy of BMW OF NORTH AMERICA, INC.

Replace pressure hose (1)

If necessary, cut open the tight pressure hose with a suitable tool.

Parts: Pressure hose

Insert the pressure hose (1) in the arrow direction all the way to the stop.
Make sure that the pressure hose is at least at a 10 mm distance to the adjacent components.

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING THE COMPLETE EXHAUST SYSTEM .
Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
Refer to INSTALLING LAMBDA OXYGEN SENSOR .
Refer to INSTALLING ACOUSTIC COVER AT REAR .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .