Replacing heat exchanger (X5 M)

Necessary preliminary tasks: 

• Remove HEATER .

Release screw (1).

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Unclamp retaining tabs (1) and lift out bracket (2).

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Unclamp retaining lug (1) on both sides and feed out heater core (2).

Installation note: 

Make sure heater core (2) is securely seated.

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After installation: 

• Evacuate and fill A/C SYSTEM .