LEMON Manuals
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BMW
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2012
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640i 2D Convertible
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Repair and Diagnosis
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General Information
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OEM General Information
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Functional Descriptions - 6-Series - Engine Performance Systems
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Engine Performance - Functional Description
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Idle speed
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Brief component description
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Brief component description
The following components for idle speed control are described:
Crankshaft sensor
Electromotive throttle actuator.