Removing the catalytic converter for cylinders 5 to 8

NOTE: TECHNICAL INFORMATION
In order to be able to remove the catalytic converter for cylinders 5 to 8, the catalytic converter for cylinders 1 to 4 also needs to be removed.

Version without gasoline particulate filter (SSA1DC)

WARNING: Hot exhaust system.
Risk of burning!

Any work must exclusively be carried out with an exhaust system that has cooled down.

Release the nuts (1) at the bottom on the catalytic converter for cylinders 1 to 4.
Loosen catalytic converter from holder.

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Release the nuts (1) at the bottom on the catalytic converter for cylinders 5 to 8.
Loosen catalytic converter from holder.

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Loosen circlip (1) and remove.
Loosen circlip (2) and remove.

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Loosen screws (1) .
Loosen screws (2) .
Loosen screw (3) .
Remove holder (4) .

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Loosen screws (1) .
Loosen screws (2) .
Loosen screw (3) .
Remove holder (4) .

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Remove the catalytic converter (1) for the cylinders 1 to 4 in arrow direction.

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Unscrew and remove the catalytic converter (1) for the cylinders 1 to 4 in arrow direction.

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Remove the catalytic converter (1) for the cylinders 5 to 8 in arrow direction.

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Unscrew and remove the catalytic converter (1) for the cylinders 5 to 8 in arrow direction.

Courtesy of BMW OF NORTH AMERICA, INC.