64 51 591 Removing and installing/renewing evaporator: Notes

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NOTE: Non-coated evaporators were installed in connection with ozone generator on vehicles built before 09/2010.
A coated evaporators without an ozone generator is installed on vehicles built after 09/2010.
The evaporators must not be confused!
Refer to BMW Electronic Parts Catalog for part number!

Necessary preliminary tasks:

Remove HEATING AND AIR-CONDITIONING UNIT
Remove HEAT EXCHANGER

Release screws (1) on filter housing (2).

Remove microfilter cover (3) in direction of arrow.

Installation note:

Microfilter cover (3) must be correctly engaged in guides on filter housing (2).

Fig 1: Removing Microfilter Cover On Filter Housing

G06886297

Courtesy of BMW OF NORTH AMERICA, INC.

Remove microfilter (1) at tabs in direction of arrow from filter housing (2).

Fig 2: Removing Microfilter From Filter Housing

G06886298

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and remove distributor housing lower section (2).

Fig 3: Identifying Distributor Housing Lower Section And Screws

G06886324

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) on airbag control unit (2).

Remove airbag control unit (2).

Release all screws on filter housing upper section (2) and remove towards top.

Installation note:

In case of equipment specification with rear air conditioner, ensure correct cable routing of shutoff valve (4).

Fig 4: Identifying Airbag Control Unit And Screw

G06886325

Courtesy of BMW OF NORTH AMERICA, INC.

Remove evaporator (1) in direction of arrow from distributor housing (2) and set down securely.

Fig 5: Removing Evaporator From Distributor Housing

G06886326

Courtesy of BMW OF NORTH AMERICA, INC.