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Home >> BMW >> 2003 >> 745i >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust System - Repair Instructions >> Exhaust System Complete >> 18 00 020 Removing and installing complete exhaust system (N62)

18 00 020 Removing and installing complete exhaust system (N62)

Special tools required: 

WARNING: Scalding hazard!
Only perform this work after engine has cooled down.

Support exhaust system with special tool 31 2 220.

Fig 1: Supporting Exhaust System
G03289972Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Weight of exhaust system is approx. 40 kg.

Release nuts of flanges on both exhaust manifolds with integrated catalytic converter.

Fig 2: Locating Self-Locking Nuts
G03289973Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Replace self-locking nuts.

Release nuts.

Fig 3: Releasing Nuts
G03289974Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts.

Fig 4: Removing Reinforcement Plate
G03289975Courtesy of BMW OF NORTH AMERICA, INC.

Remove reinforcement plate.

WARNING: Risk of injury!
Removal of exhaust system must be carried out with assistance of a second person.
NOTE: Weight of exhaust system is approx. 40 kg.

Release nut.

Fig 5: Detaching Rubber Element
G03289976Courtesy of BMW OF NORTH AMERICA, INC.

Detach rubber element from holder.

Release nut.

Fig 6: Removing Holder Of Rear Muffler
G03289977Courtesy of BMW OF NORTH AMERICA, INC.

Remove holder of rear muffler.

Release nut.

Fig 7: Removing Holder On Tailpipe
G03289978Courtesy of BMW OF NORTH AMERICA, INC.

Remove holder on tailpipe.

Detach hose from vacuum unit.

Carefully lower exhaust system.