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Home >> BMW >> 1996 >> M3 >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> IHKA Climate Control - Overview - E36 >> IHKA E36 Climate Control System >> Special Functions >> Calibration Run

Calibration Run

The control panel/module initiates a "calibration run" every 20th time the ignition switch is turned to "Off." The calibration run is necessary because the stepper motors move relative to the end-of-travel position (0% or 100%).