18 12 030 Replacing rear muffler (N40, N42, N45, N46, M54 Compact)

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2005 BMW 325xi, 2005 BMW 325i, 2005 BMW 325Ci, 2004 BMW 325xi, and 2004 BMW 325i. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools Required:

00 2 210

WARNING: Scalding hazard! These tasks should only be carried out on an exhaust system that has cooled down!

Determining Cutting Line:

Carry over length of new rear muffler (X) to faulty rear muffler.

Marking cutting line.

Fig 1: Marking Cutting Line

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Cut exhaust pipes with special tool 00 2 210 at marked points and deburr.

Fig 2: Cutting Exhaust Pipes With Special Tool

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Remove faulty rear muffler.

Installation:

Connect new rear muffler and center muffler by means of clamping sleeves.

Fig 3: Aligning Exhaust System And Clamping Sleeves

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Locating face is in center of clamping sleeve.

Align exhaust system and clamping sleeves so that there is sufficient distance to the adjoining components.

Installation:

Check the position of the tailpipes to the body-cutout.

Fig 4: Checking Position Of Tailpipes To Body-Cutout

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten down screws of clamping sleeves.