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2004
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320i (E46) (CANADA) L6-2.2L 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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Motor Electronics MS45 (DME Digital Motor Electronics MS45)
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Engine Oil (Functional Descriptions)
Engine Oil (Functional Descriptions)
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.