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Home >> BMW >> 2004 >> 525i Automatic >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating And Air Conditioning - Service Information >> Integrated Automatic Heating/Air-Conditioning System (IHKA), Basic And High E60, E61, E63, E64 >> Brief Description Of Components >> Control Unit: >> IHKA Controls/Control Unit >> Construction
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IHKA Controls/Control Unit: Construction

The air conditioner is available in the versions Basic and High. These each have their own IHKA controls.

Integrated in the IHKA controls is a force-ventilated sensor for measuring the interior temperature. For reasons relating to production, the display for independent heater operation is always integrated.

The following overviews show the layout and pin assignments for the: