18 00 020 Removing and installing complete exhaust system (N55)

Special tools required:

31 2 220

WARNING: Risk of burning!
Only perform this repair work after engine has cooled down.
Danger of injury!
Removal of the exhaust system must be carried out with the assistance of a second person.

Necessary preliminary tasks:

Only F21, F22, F23, F31, F32, F33, F34:
Remove rear trailing link.
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 with a suitable lever and secure against falling out.

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

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Release clamp (1).

Tightening torque 18 31 1AZ .

Fig 2: Identifying Clamp

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Release screws (1).

Tightening torque 18 20 2AZ .

Fig 3: Identifying Screws

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If fitted:

Release screws (1).

Tightening torque 18 31 3AZ .

Remove reinforcement plate (2).

Fig 4: Identifying Reinforcement Plate And Screws

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Unfasten nut.

Tightening torque 18 20 3AZ .

Fig 5: Identifying Nut

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Unlock connector from exhaust flap and pull off.

Slacken nut (2).

Tightening torque 18 20 3AZ .

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

Fig 6: Identifying Exhaust Flap Connector And Slacken Nut

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Installation note:

Check rubber mount for damage.

If necessary, replace damaged rubber mounts.

Check exhaust system for leaks.