18 12 040 Removing and installing/replacing front muffler

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, 2007 BMW X3, and 2006 BMW X5. 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!

Cutting line (2) between front muffler (1) and center muffler (3).

Fig 1: Locating Cutting Line Between Front Muffler And Center Muffler

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Courtesy of BMW OF NORTH AMERICA, INC.

Determine pipe length on new front muffler (1).

Carry over dimension to faulty front muffler (1) and mark cutting line.

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

Fig 2: Cutting Exhaust Pipes

G03310780

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

Fig 3: Removing Muffler Nuts

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Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace self-locking nuts.

Installation:

Replace both seals (1).

Fig 4: Replacing Seals

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Courtesy of BMW OF NORTH AMERICA, INC.

Connect front muffler (1) to center muffler (3).

Fig 5: Connecting Front Muffler To Center Muffler

G03310783

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Align clamping sleeves so that:

Nuts point downwards.
Cutting line is in middle of clamping sleeve.
There is sufficient spacing to adjoining components.