18 12 040 Removing and installing/replacing front muffler (N12, N14)

WARNING: This page is about a different variant/trim than selected.

Special tools required:

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

Unfasten clip.

Tightening torque 18 31 5AZ

Fig 1: Locating Clip

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Cutting line (1) for front muffler is designated by a notch in the pipe.

Fig 2: Line For Front Muffler

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

IMPORTANT: Risk of damage!
Secure exhaust pipe of rear muffler against falling down.

Fig 3: Special Tools (00 2 210)

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Spray rubber mount (1) with antiseize agent and detach from exhaust pipe (2).

NOTE: Check rubber mount for damage, replace if necessary.

Lower and remove front muffler with assistance of a second person.

Fig 4: Rubber Mount And Exhaust Pipe

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Installation:

Connect rear muffler to front muffler by means of a clamp.

Align rear muffler to rear apron.

Align clamp and tighten down.

Tightening torque 18 31 6AZ

Fig 5: Connecting Rear Muffler To Front Muffler By Clamp

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NOTE: Check exhaust system for leaks.