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

Special tools required:

WARNING: Risk of burning!
Only perform this repair work after 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:

E91, E92, E93 only

Support exhaust system with jack and special tool 31 2 220 and secure against falling out.

Fig 1: Supporting Exhaust System Using Jack And Special Tool 31 2 220

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Unscrew nuts.

Installation note:

Tightening torque: 18 31 1AZ .

Replace self-locking nuts.

Replace gasket.

Fig 2: Locating Self-Locking Nuts

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Release bolt and remove holder (1).

Tightening torque: 18 20 1AZ .

Fig 3: Identifying Exhaust System Holder

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Release screws along line and remove reinforcement plate (1).

Fig 4: Identifying Reinforcement Plate

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Unscrew nuts.

Take off holder (1).

Tightening torque: 18 31 4AZ .

Fig 5: Identifying Holder

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Pull off hose.

Release screws (1).

Tightening torque: 18 31 2AZ .

Unscrew nuts (2).

Tightening torque: 18 31 6AZ .

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

Fig 6: Identifying Exhaust System Nuts And Screws

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Installation note:

Check exhaust system for leaks.