18 00 020 Removing And Installing Complete Exhaust System (N54)

Special tools required: 

• 31 2 220  . See FRONT AXLE - SPECIAL TOOLS .

Risk of injury!

Removal of the exhaust system must be carried out with the assistance of a second person.

Support exhaust system with special tool 31 2 220  and a suitable lifting tool. See Fig 1.

Fig 1: Supporting Exhaust System Using Special Tool 31 2 220 And Suitable Lifting Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts.

Installation: 

• Replace self-locking nuts.
• Replace gasket.
• Tightening torque. See 18 31 1AZ  in 18 31 EXHAUST PIPE WITH CATALYTIC CONVERTER/COMPLETE SYSTEM .

Fig 2: Locating Exhaust Pipe Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Release bolt and remove bracket (1). Tightening torque. See 18 20 6AZ  in 18 20 EXHAUST SYSTEM SUSPENSION .

Fig 3: Identifying Bolt And Bracket

Courtesy of BMW OF NORTH AMERICA, INC.

Release bolt and remove bracket (1). Tightening torque. See 18 20 4AZ  in 18 20 EXHAUST SYSTEM SUSPENSION .

Texts refer to and illustrations show the right side.

Procedure on the left side is identical.

Fig 4: Locating Bolt And Bracket

Courtesy of BMW OF NORTH AMERICA, INC.

Detach pressure hose (1).

Release screws and remove holder (2). Tightening torque. See 18 30 2AZ  in EXHAUST SYSTEM - TIGHTENING TORQUES (N54) .

Fig 5: Identifying Pressure Hose And Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Align both tail pipes (1) of rear muffler in each case centrally to openings in rear apron.

Fig 6: Identifying Tail Pipe Of Rear Muffler

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Check rubber mount for damage, replace if necessary.

Check exhaust system for leaks.