64 51 522 Removing and installing/replacing expansion valve

WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.

Follow instructions for dryer bottle replacement. Refer to 64 53 ... Notes on replacing drier bottle or drier insert .

Refrigerant drawn off from A/C system. Refer to 64 50 009 Drawing off, evacuating and filling A/C system (R 134a) .

Remove trim for entrance at front right. Refer to 51 47 000 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT ENTRANCE COVER STRIP .

Remove side trim panel for footwell at front right. Refer to 51 43 075 REMOVING AND INSTALLING/REPLACING SIDE TRIM PANEL, FOOTWELL, ON A-PILLAR, RIGHT .

Remove right glovebox. Refer to 51 16 366 REMOVING AND INSTALLING RIGHT GLOVEBOX WITH HOUSING .

Remove servodrive of fresh air flap. Refer to 64 11 820 Replacing servodrive of fresh air flap .

Unscrew nut (1).

Fig 1: Disconnecting Refrigerant Lines

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Release screws (2) of refrigerant lines (3).

Disconnect refrigerant lines (3).

Installation:

Replace sealing rings.

Check that grommet (4) is correctly seated.

Fold back floor trim panel at front right (1).

Fig 2: Removing Bulkhead Support Plate

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Release screws (2) and nuts (3).

Remove bulkhead support plate (4) in direction of arrow.

CAUTION: Do not bend floor trim panel.

Unscrew nut (1).

Remove lamp control module (2) in direction of arrow and place to one side.

Fig 3: Removing Lamp Control Module

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Unscrew bolt (1).

Fig 4: Detaching Lines

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Detach lines (2) in direction of arrow and feed out in direction of footwell.

Installation:

Replace sealing rings.

If necessary, replace grommet (3).

Coat grommet (3) with antiseize agent.

Check that grommet (3) is correctly seated.

Unlock linkage (3) of fresh air flap and unclip in direction of arrow.

Fig 5: Unlocking Linkage Of Fresh Air Flap

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Release screws (1) and remove cover (2).

Remove insulation (1).

Fig 6: Removing Expansion Valve

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Release screws (2).

Remove expansion valve (3) in direction of arrow.

Installation:

Replace sealing rings.