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Home >> BMW >> 2012 >> 740Li >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - Overview >> IHKA (4 zone) >> System Air Flow >> IHKA Blower Fan
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

IHKA Blower Fan

The fan draws in the recirculated air from the passenger compartment through an opening in the bulkhead.

Fig 1: System Air Flow Diagram - Climate Control Air Intake Assembly, F01/F02
G06925544Courtesy of BMW OF NORTH AMERICA, INC.
INDEX EXPLANATION CHART

Index Explanation
1 Fresh air intake
2 Recirculated-air intake
3 Air outlet via gaiter to climate control housing
4 Fresh-air/ram-air stepper motor
5 Recirculated-air stepper motor