18 12 040 Removing and installing/replacing front muffler (N62, N62TU)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW 750i, 2008 BMW 750Li, 2007 BMW 750i, 2007 BMW 750Li, and 2006 BMW 750i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

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)

G04751543

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

G04766269

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)

G04766270

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts on holder (1).

Unscrew nuts (2).

Remove primary muffler.

Fig 4: Locating Nuts On Holder

G04766271

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

G04766272

Courtesy of BMW OF NORTH AMERICA, INC.