Operation CHARM
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BMW
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1991
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325i Convertible (E30) L6-2494cc 2.5L SOHC (M20)
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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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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Technical Service Bulletins
Engine Control Module: Technical Service Bulletins
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ECM - Codes and Hardware Numbers
Engine Control Module - Diagnostic Software 10.0
Service Tester - Diagnostic Software Error
ECM - Unable to Program, Must Order Replacement
Emissions - On-Board Diagnostic Code Updated List