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

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2005 BMW 325xi, 2005 BMW 325i, 2005 BMW 325Ci, 2004 BMW 325xi, and 2004 BMW 325i. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools Required:

3 12 220

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

Support exhaust system with jack and special tool 31 2 220 and secure against falling out.

Fig 1: Supporting Exhaust System With Jack And Special Tool (31 2 220)

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Release nuts (1) and remove connecting plate (2).

Installation:

Replace self-locking nuts.

Coat threads with copper paste.

Installation:

Check seals (1), replace if necessary.

Release screw (1) and remove exhaust bracket.

Installation:

Slacken screws (2).

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

Tighten down screws (2).

Fig 2: Removing Connecting Plate

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Fig 3: Checking Seals

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Saloon/Sedan, Coupe:

Release screws (1) and remove reinforcement plate (2).

Fig 4: Removing Exhaust Bracket

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Release screws (3). Reinforcement plate (4) is connected to exhaust system via rubber mounts and does not have to be removed.

Fig 5: Removing Reinforcement Plate

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Convertible:

Release screws and remove body reinforcement strut (1).

Fig 6: Removing Body Reinforcement Strut

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Release screws.

Reinforcement plate (1) is connected to exhaust system via rubber mounts and does not have to be removed.

Fig 7: Removing Reinforcement Plate

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Saloon/sedan, coupe, convertible:

If fitted, detach vacuum hose (1) from vacuum unit (2).

Fig 8: Detaching Vacuum Hose From Vacuum Unit

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Compact:

There is no vacuum unit fitted here.

Removal of exhaust system must be carried out with assistance of a second person.

Release nuts on rubber mount of rear muffler on left and right

Fig 9: Removing Rear Muffler

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Lower exhaust system with lifter and remove.

Installation:

If necessary, install vibration damper, rubber mounts and both chrome exhaust pipes on new rear muffler.