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

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For Special Tool identification, see MAINTENANCE & GENERAL INFORMATION - SPECIAL TOOLS - 5-SERIES (E60) .

Special Tools Required:

00 2 210
31 2 220

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: Supporting Front Muffler With Lifter And Special Tool

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 Pipe Measurements

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Cutting Exhaust Pipes With Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts on holder (1).

Unscrew nuts (2).

Remove primary muffler.

Fig 4: View Of Nuts On Holder

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: Connecting Front Muffler With Central Muffler

Courtesy of BMW OF NORTH AMERICA, INC.