18 12 040 Removing And Installing/Replacing Front Muffler (N62, N62TU)

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. 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 front muffler with lifter and special tool 31 2 220 and secure against falling out.

Fig 1: Identifying Special Tool (31 2 220)

Courtesy of BMW OF NORTH AMERICA, INC.

While installed, mark length (A) with aid of replacement muffler on faulty front muffler.

Fig 2: Identifying Muffler Length

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Identifying Special Tool (00 2 210)

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts on holder (1).

Unscrew nuts (2).

Remove primary muffler.

Fig 4: Locating Nuts On Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Connect new front muffler with central muffler using clamping sleeves.

Installation:

Nuts point downwards.

Align clamping sleeves so that:

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

Fig 5: Locating Clamping Sleeve

Courtesy of BMW OF NORTH AMERICA, INC.