Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW1994530I (E34) V8-2997CC 3.0L DOHC (M60)REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGDESCRIPTION AND OPERATIONCLIMATE CONTROL SYSTEMS, SYSTEM SPECIFICIHKR2CONTROL MODULE
1994 BMW 530i (E34) V8-2997cc 3.0L DOHC (M60)
Control Module
1994 BMW 530i (E34) V8-2997cc 3.0L DOHC (M60)SECTION Control Module
IHKR2 CONTROL MODULE
- The IHKR2 control module is mounted in the same location and removed/installed the same way as the IHKR1 control module.
- Circuitry for blower speed control and left/right footwell flap operation is deleted from the module.
- The IHKR2 control module has only three (3) twenty-six pin connectors (now ELO-style).
- All three connectors are located at the right side of the module.
- Control module memory is non-volatile; fault codes stored there are retained after the ignition switch is turned "Off". The codes can be erased using the BMW DIS.
- Control modules installed in vehicles built from May 1990 on (software version "04" are codeable for variations such as left or right-hand drive.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.