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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 538 (Exhaust System - Repair Instructions) >> Mufflers, Petrol >> 18 12 561 Replacing Rear Muffler (N73)

18 12 561 Replacing Rear Muffler (N73)

WARNING: This page is about a different car, the 2007 BMW 760Li, 2006 BMW 760i, 2006 BMW 760Li, and 2005 BMW 760i. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

For Special Tool identification, see MAINTENANCE AND GENERAL INFORMATION - SPECIAL TOOLS .

Special Tools Required: 

WARNING: Scalding hazard! Only perform these tasks after exhaust system has cooled down.

Unfasten screws.

Remove reinforcement plate.

Fig 1: View Of Reinforcement Plate Retaining Screws
G03292391Courtesy of BMW OF NORTH AMERICA, INC.

Cutting line (7)  between center muffler (2) and rear muffler (1).

Determine pipe length on new rear muffler.

Carry over dimensions to faulty rear muffler (1) and mark cutting line.

Fig 2: Identifying Cutting Line Between Center And Rear Muffler
G03292392Courtesy of BMW OF NORTH AMERICA, INC.

Cut tail pipe with special tool 00 2 210 at marked point.

Installation: 

Deburr cutting line.

Fig 3: Cutting Tail Pipe With Special Tool
G03292393Courtesy of BMW OF NORTH AMERICA, INC.

Connect new rear muffler with clamping sleeve.

Installation: 

Align clamping sleeve so that:

Add final details to vehicle.

Check exhaust system for leaks.