18 00 020 Removing and installing complete exhaust system (N54)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 BMW 335xi, 2010 BMW 335i, 2009 BMW 335xi, 2009 BMW 335i, and 2008 BMW 335xi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

31 2 220

WARNING: Scalding hazard!
These tasks should only be carried out on an exhaust system that has cooled down.

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

Necessary preliminary tasks:

E91, E92, E93 only:

Remove tension strut on rear axle.

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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Unscrew nuts.

Installation:

Replace self-locking nuts.

Replace seal.

Tightening torque 18 00 1AZ .

Fig 2: Locating Self-Locking Nuts

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Release bolt and remove bracket (1).

Tightening torque 18 20 1AZ .

Fig 3: Locating Bolt And Bracket

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Release bolts along line and remove reinforcement plate (1).

Fig 4: Identifying Bolts And Reinforcement Plate

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Unscrew nuts.

Take off holder (1).

Tightening torque 18 00 4AZ .

Fig 5: Identifying Nuts And Holder

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Pull off hose.

Release screws (1).

Tightening torque 18 20 4AZ .

Unscrew nuts (2).

Tightening torque 18 00 2AZ .

Lower and remove exhaust system with assistance of a second person.

Fig 6: Identifying Hose, Screws And Nuts

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Installation:

Check exhaust system for leaks.