64 51 591 Removing and installing/replacing evaporator

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2007 BMW M5, 2007 BMW 550i, 2007 BMW 530xi, 2007 BMW 530i, and 2007 BMW 525xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove heater. See 64 11 206 Removing And Installing Or Replacing Heater .
Remove heater core. See 64 11 208 Replacing Heater Core .
Remove expansion valve. See 64 51 525 Removing And Installing Or Replacing Expansion Valve .
Remove rear compartment air duct. See 64 11 213 Removing And Installing/Replacing Heater - A/C Unit Fan .
Remove fan for heater/air conditioner. See 64 11 213 REMOVING AND INSTALLING/REPLACING HEATER - A/C unit fan .
Remove servodrive of left fresh-air/recirculated-air flap. See 64 11 803 Removing And Installing/Replacing Servodrive For Left Fresh-Air/Recirculated-Air Flap .

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

Installation:

Replace bulkhead seals (1).

Fig 1: Replacing Bulkhead Seals

G03262452

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Press lock (2).

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

Fig 2: Removing Pipe Holder Complete With Pipes

G03262453

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Fig 3: Releasing Screws

G03262454

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Installation:

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

Fig 4: Identifying Flaps

G03262455

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

G03262456

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Release clip (2).

Remove cover (3) in direction of arrow.

Installation:

Make sure cover (3) is correctly seated.

Fig 6: Removing Cover

G03262457

Courtesy of BMW OF NORTH AMERICA, INC.

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

G03262458

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

G03262459

Courtesy of BMW OF NORTH AMERICA, INC.