64 51 591 Removing and installing/replacing evaporator

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2010 BMW M6, 2010 BMW 650i, 2009 BMW M6, 2009 BMW 650i, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove heater.
Remove heater core, refer to 64 11 208 REPLACING HEATER CORE .
Remove expansion valve refer to 64 51 525 REMOVING AND INSTALLING OR REPLACING EXPANSION VALVE .
Remove rear compartment air duct.
Remove fan for heater/air conditioner.
Remove servodrive of left fresh-air/recirculated-air flap, refer to 64 11 803 REMOVING AND INSTALLING/REPLACING SERVODRIVE FOR LEFT FRESH-AIR/REIRCULATED-AIR FLAP .

Carefully pull off bulkhead seals (1) from heater/air conditioner (2) so that there are no remaining parts left behind.

Fig 1: Pulling Off Bulkhead Seals (1) From Heater/Air Conditioner (2)

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Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace bulkhead seals (1).

Release screws (1).

Press lock (2).

Remove pipe holder (3) complete with pipes (4).

Fig 2: Removing Pipe Holder Complete With Pipes

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Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Fig 3: Releasing Screws (1)

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Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Installation:

Make sure flaps (2) are correctly seated in mountings (3).

Fig 4: Installing Flaps (2)

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Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Remove upper housing section (2) in direction of arrow.

Installation:

Make sure upper housing section (2) is correctly seated on lower housing section.

Make sure flaps (3) are correctly seated in mountings (4).

Fig 5: Removing Upper Housing Section In Direction

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Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Release clip (2).

Remove cover (3) in direction of arrow.

Fig 6: Removing Cover In Direction Of Arrow

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Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Make sure cover (3) is correctly seated.

IMPORTANT: Do not bend radiator fins. If necessary, clean or straighten radiator fins with slat comb.

Pull evaporator (1) in direction of arrow out of lower housing section (2).

Installation:

If necessary, replace seal (3).

Make sure seal (3) is correctly seated in lower housing section (2).

Fig 7: Pulling Evaporator In Direction Of Arrow Out Of Lower Housing

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Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Remove plate (2) and seal (3) from evaporator (3).

Fig 8: Removing Plate And Seal From Evaporator

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Courtesy of BMW OF NORTH AMERICA, INC.