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

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks

E93 only: Remove tension strut

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

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 Using Special Tool (31 2 220)

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts.

Replace self-locking nuts.

Tightening torque 18 40 2AZ .

Fig 2: Locating Self Locking Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Tightening torque 18 40 3AZ .

Fig 3: Locating Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Remove reinforcement plate.

Installation:

Tightening torque 51 61 7AZ .

Fig 4: Identifying Reinforcement Plate Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts.

Tightening torque 18 40 4AZ .

Fig 5: Locating Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts.

Tightening torque 18 40 5AZ .

Remove grounding strap.

Fig 6: Locating Grounding Strap Mounting Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) on rear apron.

Unscrew nuts (2).

Tightening torque 18 40 5AZ .

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

Fig 7: Identifying Screws And Nuts On Rear Apron

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Add final details to vehicle.

Check exhaust system for leaks.

WARNING: Danger of burning and other injuries!
Only perform this work after engine has cooled down.
Removal of the exhaust system must be carried out with the assistance of a second person.

NOTE: Weight of exhaust system is approx. 40 kg.