18 00 018 Removing and installing complete exhaust system (S65)

Special tools required: 

• 00 2 030 
• 31 2 220 

See MAINTENANCE AND GENERAL INFORMATION - SPECIAL TOOLS .

See FRONT AXLE - SPECIAL TOOLS .

Necessary preliminary tasks: 

• E93 only:  Remove tension strut  . See 51 71 482 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT TENSION STRUT (ON REAR AXLE) (FROM 03/2007) .

Support exhaust system with special tools 31 2 220  and 00 2 030  .

Disconnect all oxygen sensors.

The description refers only to one side of the two-flow exhaust system. The procedure is identical for both sides.

Fig 1: Supporting Exhaust System With Special Tools (31 2 220 And 00 2 030)

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Unscrew nuts.

Replace self-locking nuts.

Tightening torque, see 18 40 2AZ  in 18 40 EXHAUST MANIFOLD, EXHAUST SYSTEM .

Fig 2: Locating Self-Locking Nuts

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Release screws.

Tightening torque, see 18 40 3AZ  in 18 40 EXHAUST MANIFOLD, EXHAUST SYSTEM .

Fig 3: Locating Screws

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Release screws (1).

Remove reinforcement plate.

Installation: 

Tightening torque 24 Nm  .

Fig 4: Identifying Reinforcement Plate Screws

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Release nuts.

Tightening torque, see 18 40 4AZ  in 18 40 EXHAUST MANIFOLD, EXHAUST SYSTEM .

Fig 5: Identifying Nuts

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Unscrew nuts.

Tightening torque, see 18 40 5AZ  in 18 40 EXHAUST MANIFOLD, EXHAUST SYSTEM .

Remove grounding strap.

Fig 6: Locating Grounding Strap

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Release screws (1) on rear apron.

Unscrew nuts (2).

Tightening torque, see 18 40 5AZ  in 18 40 EXHAUST MANIFOLD, EXHAUST SYSTEM .

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

Fig 7: Identifying Screws And Nut

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Installation: 

Add final details to vehicle.

Check exhaust system for leaks.