18 12 045 Replacing center 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
31 2 220

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

Support exhaust system with jack and special tool 31 2 220 and secure against falling out.

Fig 1: Supporting Exhaust System

G03310784

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screws.

Fig 2: Removing Screws

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Courtesy of BMW OF NORTH AMERICA, INC.

Cutting line (2) and (4) between front muffler (1) and rear muffler (5).

Fig 3: Locating Cutting Line And Between Front Muffler And Rear Muffler

G03310786

Courtesy of BMW OF NORTH AMERICA, INC.

Determine pipe length on new center muffler (3).

Carry over measurement to faulty center muffler (3) and mark cutting lines.

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

Fig 4: Cutting Exhaust Pipes

G03310787

Courtesy of BMW OF NORTH AMERICA, INC.

Connect center muffler (3) to front muffler (1) and rear muffler (5).

Fig 5: Connecting Center Muffler To Front Muffler And Rear Muffler

G03310788

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.