18 00 020 Removing and installing complete exhaust system (N47 D16/20 K/U/O/T 1)

Special tools required: 

• 31 2 220

Necessary preliminary tasks: 

• F31, F33, F34, F36 only: 

  Remove TENSION STRUT (rear axle) on left and 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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F30 only: 

Release bolts along line (1).

Remove cover from below rear silencer.

Fig 3: Identifying Rear Silencer Cover

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Unfasten clamp.

If necessary, replace clamp.

Part:  Clamp

Tightening torque 18 31 2AZ .

Fig 4: Locating Clamp

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If fitted: 

Release screws (1).

Tightening torque 18 20 6AZ .

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 7AZ .

Unfasten screws (2).

Tightening torque 18 20 6AZ .

Remove reinforcement plate with trailing links.

Fig 6: Identifying Reinforcement Plate Screws

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Unfasten nut.

Tightening torque 18 20 4AZ .

Fig 7: Identifying Nut

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Slacken nut (1).

Tightening torque 18 20 4AZ .

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

Fig 8: Identifying Nut

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Installation note: 

Check exhaust system for leaks.