2002 BMW X5 intake

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Hood/Front Grille
The hood on the X5 is distinctive, with two IHKA air intake hood scopes in the center lead-
ing down to the traditional BMW twin grilles.
The grilles are integrated into the hood with
the secondary hood latch springing out from
the grille when the hood is opened.
The four round headlights complete the front
end with Xenon low beans as an option for
the X5. The fog lights as well as the headlight
washers are integrated into the bumper.
Hood Scoops
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Climate Control System (IHKR)
The manual system is controlled through the use of bowden cables for air distribution and
electronic control for temperature regulation and blower speed. One stepper motor is used
for the fresh/recirculated air intake.
The IHKR incorporates the following features:
• Fresh air intake grilles integrated into the hood - the fresh air passes through the single
micro filter installed in the center of front bulkhead.
The air then passes through the air duct, which is bolted to the bulkhead, and enters the
heater - A/C unit through the non-return flaps.
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Intake
Fresh Air

Air Supply System (LVA) Operation
The single stage piston compressor produces a maximum pressure of 13.5 Bar. The com-
pressor is maintenance free - provided it is used in a dust free environment. This includes
the compressor’s intake air filter.
The compressor is driven by a DC motor that is controlled by the compressor relay through
the control module.
When the compressor is activated, the pressure builds up to a working pressure of 11.4
Bar (+0.8/-1.5 Bar). This is controlled through the pressure maintenance valve. The air
under pressure is fed through the dryer and check valve to the solenoid valve block for the
air springs.
There is one solenoid valve in the valve block for each air strut. This allows the system to
compensate for uneven loads in the vehicle and maintain the vehicles ride height at all
times.
Pressure is drained through the left or right solenoid valve (energized open) the pressure
relief solenoid valve, restricter, check valve and dryer back to the inlet side of the compres-
sor pump.
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