LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1798 (Exhaust System - Repair) >> Exhaust System >> 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 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. 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)
G04751543Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Identifying Front Muffler Length
G04766269Courtesy 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)
G04766270Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts on holder (1).

Unscrew nuts (2).

Remove primary muffler.

Fig 4: Identifying Nuts On Holder
G04766271Courtesy 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: Aligning Clamping Sleeves
G04766272Courtesy of BMW OF NORTH AMERICA, INC.