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Home >> BMW >> 2014 >> M6 2D Convertible, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 709 (Heating And Air Conditioning - Repair) >> Heater With Operation >> 64 11 532 Replacing heat exchanger (heating and air-conditioning unit removed)

64 11 532 Replacing heat exchanger (heating and air-conditioning unit removed)

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Special tools required: 

Unclip deflection arm (1) from angle positioning lever (2).

Installation note: 

Deflection arm (1) must snap audibly into place!

Fig 1: Identifying Deflection Arm From Angle Positioning Lever
G06886243Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Unlock and disconnect plug connections on upper distributor housing (2).

Remove upper distributor housing (2).

Installation note: 

Make sure filter housing guide lugs (3) are correctly seated in associated guide tabs on upper distributor housing (2).

Fig 2: Identifying Upper Distributor Housing And Screws
G06886244Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Remove heat exchanger (2) in direction of arrow from filter housing (3).

Installation note: 

Heat exchanger must be pushed correctly into designated guides on filter housing (3).

Fig 3: Removing Heat Exchanger From Filter Housing
G06886248Courtesy of BMW OF NORTH AMERICA, INC.

Replacement 

Open pipe clamps (1) with a suitable tool in direction of arrow.

Remove pipes (2).

Installation note: 

Replace sealing rings.

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

Fig 4: Removing Pipe Clamps
G06886249Courtesy of BMW OF NORTH AMERICA, INC.