Engine Control Module: Description and Operation

Engine Management MS43 (DME Digital Motor Electronics MS43)



DME-ME 7.2 ENGINE MANAGEMENT SYSTEM

The "ME" designation identities the system as "M" = Motronic, "E" = EML.












- Manufactured by Bosch to BMW specifications
- 134 pin SKE (standard shell construction) control module located in E box
- Diagnostic communication protocol-KWP2000
- Uses break-out box set (P/N 90 88 6 121 300)
- Integral EML throttle control system
- monitors an interior installed PWG
- actuates an electric throttle valve (EDK)
- Integral Cruise control functionality
- monitors cruise control requests
- monitors brake pedal and clutch switches
- carries out throttle control directly via EDK
- Carries out DSC III torque reduction requests.
- VANOS control
- Integrated altitude sensor
- Integrated temp sensor for monitoring E box temperatures
- Control of E-box fan
- One touch engine start control
- Oxygen Sensor heating
- Engine overrev & Max speed limitation
- Active Hall sensor for camshaft position monitoring
- Single speed secondary air injection system
- Electrically heated coolant system thermostat
- Longlife spark plugs
- IHKA Auxiliary Fan control
- DM-TL (Diagnostic Module - Tank Leak Diagnosis System)