18 00 020 Removing and installing complete exhaust system (N20)

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.

Support exhaust system with jack and special tool 31 2 220 or with a suitable lever and secure against falling down.

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

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Release clamp (1).

Tightening torque: 18 31 1AZ .

Fig 2: Identifying Exhaust System Clamp

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Release nut and remove holder (1).

Tightening torque: 18 31 3AZ .

Fig 3: Identifying Exhaust System Holder

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Release nuts (1) and remove holder.

Tightening torque: 18 31 5AZ .

Fig 4: Identifying Exhaust System Nuts

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Only 20i:

Unscrew nuts (1).

Tightening torque: 18 31 5AZ .

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

Fig 5: Identifying Exhaust System Nuts

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Only 28i:

Pull off vacuum hose (1).

Unscrew nuts (2).

Tightening torque: 18 31 5AZ .

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

Fig 6: Identifying Vacuum Hose And Nuts

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Installation note:

Check rubber mount for damage.

If necessary, replace damaged rubber mounts.

Check exhaust system for leak tightness.