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18 00 020 Removing and installing complete exhaust system (N47 D20 O1)

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Special tools required: 

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 and secure against falling out.

Fig 1: Supporting Exhaust System Using Special Tool (31 2 220)
G04742070Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten nut.

If necessary, replace clamp.

Part:  Clamp

Tightening torque: 18 31 2AZ .

Fig 2: Identifying Exhaust System Nut
G09946248Courtesy of BMW OF NORTH AMERICA, INC.

Release bolt and remove holder (1).

Tightening torque: 18 20 3AZ .

Fig 3: Identifying Exhaust System Holder
G09946243Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts (1) and remove holder.

Tightening torque: 18 20 4AZ .

Fig 4: Identifying Exhaust System Nuts
G09946244Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

Tightening torque: 18 20 4AZ .

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

Fig 5: Identifying Exhaust System Nuts
G09946245Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Check rubber mount for damage, replace if necessary.

Check exhaust system for leaks.