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2012
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740Li
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Repair and Diagnosis
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Heating, Ventilation & A/C (HVAC)
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HVAC Control Systems
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Climate Control - Overview
Climate Control - Overview
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Introduction
IHKA (4 zone)
System Overview
System Air Flow
Notes
IHKA Blower Fan
Fresh Air Intake
Recirculated Air Intake
Air Ionizer
IHKA Components
Notes
Coolant Circuit of the Heating System
Refrigerant Circuit
Main AC Components
A/C Compressor
AUC Sensor
IHKA Front Control Unit Panel
Front Center Air Vent
Left/right Side Air Vent
Left/right B-pillar Air Vent
FKA Rear Control Unit Panel
Rear Center Air Vent
IHKA Stepper Motors
Service Information