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BMW
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2004
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M3 2D Convertible, S6
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Repair and Diagnosis
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Transmission
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Automatic Trans
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SMG II - Overview
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SMG II
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System Components
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SMG II Control Unit Inputs/Outputs
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SMG II Control Unit Inputs
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Gearbox RPM
Gearbox RPM
A hall sensor is used to measure transmission input shaft speed.