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

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. 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 center muffler with lifter and special tool 31 2 220 and secure against falling out.

Fig 1: Identifying Special Tool (31 2 220)

G04778255

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screws.

Remove reinforcement plate (1).

Fig 2: Locating Screws

G04778261

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Identifying Length Mark (B)

G04778262

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)

G04778257

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 5: Identifying Length Mark (C)

G04778264

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)

G04742078

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 7: Locating Clamping Sleeves

G04742083

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 8: Connecting Final Muffler To Center Muffler

G04742097

Courtesy of BMW OF NORTH AMERICA, INC.