64 11 205 Removing and installing / replacing heater (automatic air conditioner)

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

Draw off A/C system.

Unfasten clip from right and left air ducts, twist air duct and lift out.

Fig 1: Loosening Clip From Right & Left Air Ducts

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Installation:

Fit air duct to end wall, twist and then insert in bottom of microfilter.

Fig 2: Fitting Air Duct To End Wall & Inserting In Microfilter Bottom

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WARNING: Danger of scalding!
Only perform this work after engine has cooled down.

Unfasten clips (1 to 3) and remove water hoses. Carefully blow through lines to remove remaining coolant from heating element.

Installation:

Filling and bleeding the cooling system.

Fig 3: Removing Water Hoses

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screws on end wall.

Fig 4: Releasing Screws On End Wall

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Unfasten screws and remove pressure and suction pipe.

Installation:

Replace sealing rings.

Subsequent tasks are described in the section Removing and installing/replacing heater.

Fig 5: Removing Pressure & Suction Pipe

Courtesy of BMW OF NORTH AMERICA, INC.