Operation CHARM
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1988
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325 (E30) L6-2693cc 2.7L SOHC (M20)
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Powertrain Management
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Technical Service Bulletins
Relays and Modules - Powertrain Management: Technical Service Bulletins
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Customer Interest
Engine - No Start/Dead Battery
ECM - Rough Engine Idle/Poor Throttle Response
By Symptom
Customer Interest
Engine - No Start/Dead Battery
ECM - Rough Engine Idle/Poor Throttle Response
Driveability
Engine - No Start/Dead Battery
ECM - Rough Engine Idle/Poor Throttle Response
Low, Dead battery
Engine - No Start/Dead Battery
Starting problems
Engine - No Start/Dead Battery
Engine Controls - DME M1.3 Sensitivity
Overview
Situation:
Case 1 - Check Engine Light On
Case 2 Contol Unit Needs Encoding
Parts Information
Warranty Information
Sticking/Binding
Engine - No Start/Dead Battery
All Technical Service Bulletins
Engine - No Start/Dead Battery
ECM - Rough Engine Idle/Poor Throttle Response
ECM - Ordering Information For Reference Chart
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 - Wrong Readings: Engine Speed,Load Signal,Timing
ECM - Replacement Precautions, Ignition Coil(s)
ECM - Codes and Hardware Numbers