Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Engine Control System Version ID

ENGINE CONTROL SYSTEM VERSION ID BY MODEL:

Engine Control System Version ID by Model:




DME M3.3 (88 Pin Control Module):




DME M3.3 I-P-O Illustration:





SYSTEM FEATURES:

^ Power Supply Control (ECM Main Relay)
^ Full-Sequential Fuel Injection with individual injector shut-off
^ Fuel Pump Relay Control
^ Secondary Air Injection control (530i/iT)
^ Cold Start Enrichment control
^ O2 Sensor Heater Relay Control
^ Direct, Solid State Ignition Timing Control with knock sensor monitoring
^ Secondary Ignition Monitoring
^ Output of Ti, TD and DK signals
^ AC compressor relay control
^ EGS communication via CAN
^ Substitute operating values employed if specific signals become impaired
^ Fault monitoring with defect memory
^ DIS/MoDiC Communication for Diagnosis and Programming

ADAPTIVE SYSTEM FEATURES:

^ Adaptive ms injection based on stereo 02 Sensor Signal(s) with memory
^ Adaptive Idle Speed Control
^ Adaptive Purge Valve Control