18 12 045 Removing and installing/replacing central muffler (N62)

WARNING: This page is about a different car, the 2005 BMW 745i, 2004 BMW 745i, 2003 BMW 745i, and 2002 BMW 745i. 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: Supporting Center Muffler

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Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screws.

Fig 2: Unfastening Screws

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Courtesy of BMW OF NORTH AMERICA, INC.

Remove reinforcement plate (1).

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

Fig 3: Identifying Mark Length (B)

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Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 4: Cutting Exhaust Pipes

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Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 5: Identifying Mark Length (C)

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Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 6: Cutting Exhaust Pipe

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Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 7: Connecting Center Muffler And Front Muffler

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Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 8: Connecting Center Muffler To Rear Muffler

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Courtesy of BMW OF NORTH AMERICA, INC.