Operation CHARM
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BMW
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2002
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330Ci Coupe (E46) L6-3.0L (M54)
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Repair and Diagnosis
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Powertrain Management
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Description and Operation
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Engine Management MS43 (DME Motor Electronics MS43)
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Engine Cooling (Functional Descriptions)
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Oil Temperature, Engine
Oil Temperature, Engine
Engine Oil Temperature Sensor
The engine oil temperature is required for VANOS activation. It provides a more accurate indication of the engine temperature than the engine coolant temperature.