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

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

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

Unfasten clip.

Tightening torque 18 31 6AZ .

Fig 1: Locating Clip

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Disconnect exhaust pipe with suitable tool at marked point and deburr. Interface (1) for front silencer is designated by a notch in the pipe.

NOTE: If the separation point is not marked by a punch mark in the pipe, determine the separation point by means of the pipe length on the new front silencer. Carry over separation point to faulty front silencer and mark. Secure front silencer against falling out. Cut through exhaust pipes at marked point with a suitable tool.

IMPORTANT: Risk of damage! Secure exhaust pipe of front silencer against falling down with assistance of a second person.

Fig 2: Identifying Cutting Line For Front Muffler

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Spray rubber mount (1) with lubricant and detach from exhaust pipe (2)

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

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

Fig 3: Identifying 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 4: Identifying Clamp

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NOTE: Check exhaust system for tightness.