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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1509 (Exhaust System - Repair Instructions) >> 00 Exhaust System Complete >> 18 12 040 Removing And Installing/Replacing Front Muffler (N62, N62TU)

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

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: 

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)
G04778255Courtesy 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 Mark (A)
G04778256Courtesy 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)
G04778257Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts on holder (1).

Unscrew nuts (2).

Remove primary muffler.

Fig 4: Locating Nuts
G04778258Courtesy 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 Sleeves
G04742083Courtesy of BMW OF NORTH AMERICA, INC.