64 51 591 Removing and installing/renewing evaporator

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

00 9 030

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!

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

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

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 (3) 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 Screw, Filter Housing Upper Section, And Shutoff Valve

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

G06886326

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Release screws (1) and remove flange (2) with expansion valve (3).

Tightening torque 64 53 2AZ .

Installation note:

Ensure that seals are correctly seated.

Replace sealing rings.

Use special tool 00 9 030 to mount sealing rings without damaging them.

Fig 6: Identifying Flange, Expansion Valve And Screws

G06886327

Courtesy of BMW OF NORTH AMERICA, INC.