Operation CHARM
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BMW
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1988
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M5 (E28) L6-3453cc 3.5L DOHC (S38)
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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
ECM - Replacement Precautions, Ignition Coil(s)
ECM - Wrong Readings: Engine Speed,Load Signal,Timing
Engine Controls - DME M1.3 Sensitivity
Overview
Situation:
Case 1 - Check Engine Light On
Case 2 Contol Unit Needs Encoding
Parts Information
Warranty Information
ECM - Ordering Information For Reference Chart