18 00 020 Removing and installing complete exhaust system (N20, N26)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

31 2 220

WARNING: Risk of burning!
Only carry out this repair work when the exhaust system has cooled down.

IMPORTANT: Removal of the exhaust system must be carried out with the assistance of a second person.

Necessary preliminary tasks:

F23, F31, F33, F34, F36 only:
Remove TENSION STRUT (rear axle) left or right.

Support exhaust system with jack and special tool 31 2 220 or other suitable special tool and secure against falling down.

Fig 1: Supporting Exhaust System With Special Tool (31 2 220)

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Release screws (1).

Remove underbody panelling (2).

Fig 2: Identifying Underbody Panelling And Screws

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Release clamp (1).

Tightening torque 18 31 1AZ .

NOTE: The graphic shows the N20.

Fig 3: Identifying Clamp

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Release screws (1).

Tightening torque 18 31 6AZ .

Fig 4: Identifying Screws

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If fitted:

Release screws (1).

Tightening torque 18 20 4AZ .

Remove reinforcement plate (2).

Fig 5: Identifying Reinforcement Plate And Screws

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If fitted:

Release screws (1).

Replace screws (1).

Tightening torque 18 20 5AZ .

Unfasten screws (2).

Tightening torque 18 20 4AZ .

Remove reinforcement plate with trailing links.

Fig 6: Identifying Reinforcement Plate Screws

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Unfasten nut.

Tightening torque 18 31 5AZ .

Fig 7: Identifying Nut

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Unlock connector from exhaust flap and pull off.

Slacken nut (2).

Tightening torque 18 31 5AZ .

Lower and remove exhaust system with assistance of a second person.

Fig 8: Identifying Nut And Exhaust Flap Connector

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Installation note:

Check exhaust system for leaks.