18 12 030 Removing And Installing/Replacing Rear Muffler (N54)

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

31 2 220

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

Support rear silencer with special tool 31 2 220.

Fig 1: Supporting Rear Silencer With Special Tool

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Release screws.

Fig 2: Locating Screws

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Unfasten nut.

Tightening torque. See 18 20 4AZ in 18 20 EXHAUST SYSTEM SUSPENSION .

Fig 3: Locating Unfasten Nut

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Detach hose from vacuum unit.

Fig 4: Detaching Hose From Vacuum Unit

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Unfasten nut.

Picture shows right bracket, procedure for left side is identical.

Tightening torque. See 18 20 4AZ in 18 20 EXHAUST SYSTEM SUSPENSION .

Remove exhaust system.

Fig 5: Locating Unfasten Nut

Courtesy of BMW OF NORTH AMERICA, INC.

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