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BMW X3 Service & Repair Manual > Heater with operation: Replacing controller for heating and air conditioning system blower
Necessary preliminary work:
Remove TRIM FOR INSTRUMENT PANEL, BOTTOM LEFT
Removal:
Release screws (1).
Unlock and disconnect connector (2).
Remove controller (3) downwards.
Installation:
Position controller (3) correctly.
Tighten down the screws (1).
Connect connector (2).
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