Operation CHARM
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BMW
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2000
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323Ci Coupe (E46) L6-2494cc 2.5L DOHC (M52 TU)
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Description and Operation
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Circuit Description
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Positive and Ground Supply
Positive and Ground Supply
Positive and ground supply
The engine control unit features a permanent positive and ground supply.