18 00 020 Removing and installing complete exhaust system (M54): Procedure

WARNING: This page is about a different car, the 2003 BMW 530i, 2002 BMW 530i, and 2001 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.

Unscrew and remove splash guard.

WARNING: Scalding hazard!
Only perform this work after engine has cooled down.

Support exhaust system with special tool 31 2 220.

NOTE: Weight of exhaust system is approx. 40 kg.

Fig 1: Supporting Exhaust System

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Detach suspension on catalytic converters at rear from body.

Fig 2: Detaching Catalytic Converters Suspension

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Release screw connection (1) of flanges on exhaust manifold. Remove flange element (2).

Fig 3: Removing Flange Element

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NOTE: Shown on E46.

Installation:

Replace gaskets.

Replace self-locking nuts.

Coat thread with copper paste -CRC-.

Release hexagon nuts and hexagon screws. Remove exhaust carrier.

Installation:

After complete installation of exhaust system, align exhaust carrier so that it is free from tension.

Fig 4: Aligning Exhaust Carrier

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Release screw connection of bracket for center muffler on body.

Fig 5: Releasing Screw Connection Of Bracket For Center Muffler On Body

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WARNING: Risk of injury!
Removal of exhaust system must be carried out with assistance of a second person.

NOTE: Weight of exhaust system is approx. 40 kg.

Release screw connection of bracket for rear muffler on body. Remove complete exhaust system.

If necessary, remove vibration damper (1) and fit on new rear muffler.

Fig 6: Identifying Vibration Damper

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