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

Special tools required:

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.

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 Using Jack

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Necessary preliminary tasks:

Unscrew nuts.

Tightening torque 18 31 1AZ .

Installation note:

Replace self-locking nuts.

Replace gasket.

Fig 2: Locating Self-Locking Nuts

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Release screw (1) and remove holder.

Tightening torque 18 20 1AZ .

Fig 3: Identifying Silencer Holder Screw

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Unfasten nut.

Tightening torque 18 31 4AZ .

Fig 4: Locating Silencer Nut

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Unfasten nut.

Tightening torque 18 31 6AZ .

Fig 5: Locating Silencer Nut

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Detach pressure hose (2). Pull rubber mountings (1) off bracket.

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

Fig 6: Identifying Pressure Hose And Rubber Mountings

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Installation note:

Check exhaust system for leaks.