18 12 045 Removing And Installing/Replacing Central Muffler (N62)

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 center 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.

Unfasten screws.

Remove reinforcement plate (1).

Fig 2: Locating Reinforcement Plate Screw

G04766274

Courtesy of BMW OF NORTH AMERICA, INC.

While installed, mark length (B) with aid of replacement muffler on faulty center muffler.

Fig 3: Identifying Muffler Length

G04766275

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 4: Identifying Special Tool (00 2 210)

G04766270

Courtesy of BMW OF NORTH AMERICA, INC.

While installed, mark length (C) with aid of replacement muffler on faulty center muffler.

Fig 5: Identifying Muffler Length

G04766277

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 6: Identifying Special Tool (00 2 210)

G04725874

Courtesy of BMW OF NORTH AMERICA, INC.

Connect center muffler and front muffler by means of clamping sleeves.

Fig 7: Locating Clamp Sleeve

G04766272

Courtesy of BMW OF NORTH AMERICA, INC.

Connect center muffler to rear muffler by means of clamping sleeve.

Fig 8: Locating Clamp Sleeve

G04725877

Courtesy of BMW OF NORTH AMERICA, INC.