18 12 030 Removing and installing/replacing rear muffler (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.

WARNING: Scalding hazard!
Only perform these tasks after exhaust system has cooled down.

Support rear silencer with special tool 31 2 220 SUPPORT .

NOTE: Description of one side of two-flow exhaust system.

The procedure is identical on both sides.

Fig 1: Supporting Exhaust System Using Special Tool (31 2 220)

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Release screws on clamps.

Tightening torque 18 40 6AZ .

Fig 2: Identifying Screws On Clamps

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Unfasten nut.

Tightening torque 18 40 4AZ .

Fig 3: Locating Nuts

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Unscrew nuts.

Remove grounding straps.

Tightening torque 18 40 5AZ .

Fig 4: Locating Grounding Strap Mounting Nuts

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Release screws (1) on rear apron.

Unscrew nuts (2).

Tightening torque 18 40 5AZ .

Remove rear muffler with a second person helping.

Fig 5: Identifying Screws And Nuts On Rear Apron

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NOTE: Add final details to vehicle.
Check exhaust system for leaks.