Climate Control System (IHKA)

CLIMATE CONTROL SYSTEM (IHKA)







The X5 climate control system is taken from the E39 sedan. The system includes all functions and features of the IHKA currently installed in the bag.

Features of the IHKA system include:
- Integrated control panel/module.
- Separate temperature control for the driver and front passenger.
- Air flap control through the use of bussed stepper motors.
- Automatic Recirculation Control (AUC).
- Recirculation air flap control from the MFL.
- REST" function for residual heat when vehicle is stopped.
- Service station feature that closes the water valves when stopped to prevent hot water circulating into the heater cores.
- A/C compressor clutch activation through a final stage control.
- Center face vent stratification control through a bowden cable.
- Separate blower motor for rear passenger compartment







The rear blower motor is located below the center storage box behind the center air outlet grilles. The blower speed control is mounted in the panel below the outlets. Cool or stratified air is available at the center outlets.

IHKA AIR FLOW












The micro filter for the IHKA system is installed in the engine compartment in the center of the fire wall.