Installing the catalytic converter for cylinders 1 to 4

Replace gasket on exhaust turbocharger.
Parts: Seal
Guide in and install the catalytic converter (1) for cylinders 1 to 4 in the arrow direction.
Connect the catalytic converter (1) for cylinders 1 to 4 to the exhaust gas turbocharger.

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If necessary, replace clamp (1) .
Parts: cl

Mount and tighten clamp (1) .

The circlip must be mounted with the screw connection on the inside.

TIGHTENING TORQUE SPECIFICATIONS

Catalytic converter to exhaust turbocharger
cl Replace clamp after disassembly.	Tightening torque	14 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten down screws (1) .

TIGHTENING TORQUE SPECIFICATIONS

Catalytic converter on cylinder head/cylinder head cover/holder
M8x20	tightening torque	21 Nm

Tighten down screws (2)

TIGHTENING TORQUE SPECIFICATIONS

Catalytic converter on cylinder head/cylinder head cover/holder
M8x20	tightening torque	21 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten down screw (3) .

TIGHTENING TORQUE SPECIFICATIONS

Catalytic converter on cylinder head/cylinder head cover/holder
M8x20	tightening torque	21 Nm

Follow-up work