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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 >> Recirculated Air Intake
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Recirculated Air Intake

Fig 1: View Of Re-Circulated Air Intake Path In IHKA Housing, F01/F02
G06925546Courtesy of BMW OF NORTH AMERICA, INC.
INDEX EXPLANATION CHART

Index Explanation
1 Re-circulated air intake from passenger compartment through opening in engine compartment bulkhead
2 Fresh air intake
3 Coarse filter in fan-motor housing
4 Climate control system fan
5 Two combination filters (activated charcoal)
6 Evaporator
7 Heater matrix
8 Air outlet to air ducts and passenger compartment