18 00 020 Removing and installing complete exhaust system (N54)

Special tools required:

WARNING: Scalding hazard!
These tasks should only be carried out on an exhaust system that 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:

Replace self-locking nuts.

Replace seal.

Tightening torque 18 00 1AZ .

Fig 2: Locating Self-Locking Nuts

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Release bolt and remove bracket (1).

Tightening torque 18 20 1AZ .

Fig 3: Identifying Bracket With Bolt

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Release bolts 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 00 4AZ .

Fig 5: Identifying Holder And Nuts

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Pull off hose.

Release screws (1).

Tightening torque 18 20 4AZ .

Unscrew nuts (2).

Tightening torque 18 00 2AZ .

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

Fig 6: Identifying Exhaust System Nuts And Screws

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Installation:

Check exhaust system for leaks.