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

WARNING: This page is about a different car, the 2010 BMW 650i, 2009 BMW 650i, 2008 BMW 650i, 2007 BMW 650i, and 2006 BMW 650i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

31 2 220

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: Identifying Special Tool (31 2 220)

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Release flanged nuts on both exhaust manifolds with integrated catalytic converter.

Installation:

Replace self-locking nuts.

Fig 2: Locating Flanged Nuts Of Exhaust Manifolds

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Release nuts.

Fig 3: Locating Nuts

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Release screws.

Remove reinforcement plate.

Installation:

Tightening torque, see 51 61 7AZ in 51 61 REINFORCEMENT, BODY

Fig 4: Locating Reinforcement Plate Screws

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

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

Detach rubber element from holder.

Fig 5: Locating Rubber Element From Holder

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Release nut.

Remove holder of rear muffler.

Fig 6: Locating Holder Of Rear Muffler With Nuts

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Release nut.

Remove holder on tailpipe.

Detach hose from vacuum unit.

Carefully lower exhaust system.

Fig 7: Detaching Hose From Vacuum Unit

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