18 12 542 Replacing Front 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:

00 2 210

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

Release nuts.

Remove reinforcement plate.

Fig 1: Removing Reinforcement Plate

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Cutting line (6) between front muffler (3) and center muffler (2).

Determine pipe length on new front muffler.

Carry over dimensions to faulty front muffler (3) and mark cutting line.

Fig 2: Identifying Cutting Line Between Front And Center Muffler

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

Installation:

Deburr cutting line.

Fig 3: Cutting Tail Pipe With Special Tool

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Release nuts (4).

Release nuts (5).

Connect center muffler to front muffler.

Installation:

Align clamping sleeve so that:

Nuts point downwards.
Cutting line is in middle of clamping sleeve.
There is sufficient spacing to adjoining components.

Fig 4: Connecting Center Muffler To Front Muffler
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Add final details to vehicle.

Check exhaust system for leaks.