64 51 522 Removing and installing / replacing expansion valve (air-conditioning)

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

Air conditioner drained,

refer to 64 50 009 DRAWING OFF, EVACUATING AND FILLING A/C SYSTEM (R 134A)

Unfasten clip from right air ducts, twist air duct and lift out.

Fig 1: Removing Right Air Ducts

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Installation:

Fit air duct to end wall, twist and then insert in bottom of microfilter.

Fig 2: Fitting Right Air Duct To End Wall & Inserting In Microfilter Bottom

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Unfasten screws and remove pressure and suction pipe.

CAUTION: Replace O-rings.
Subsequent operations are identical to the operation,
64 11200

Fig 3: Replacing O-Rings

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Remove glove box,

refer to 51 16 360 REMOVING AND INSTALLING RIGHT GLOVE BOX .

Remove trim sections from right oddments tray. See 51 16 200 REMOVING AND INSTALLING ODDMENTS TRAY

Unfasten screws and pull out air duct for footwell ventilation.

Fig 4: Releasing Screws & Removing Footwell Ventilation Air Duct

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Unfasten screws and remove cover from expansion valve.

Fig 5: Removing Cover From Expansion Valve

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Unfasten screws, pull lines slightly apart and remove expansion valve.

CAUTION: Replace O-rings.

Fig 6: Removing Expansion Valve

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