Computer diagnostics of the M60B40 engine, Bosch DME 3.3 on BMW E32

Bosch hardware 0261200404 / software 1267357689 and BMW hardware 1748837 / software 101 for DME M3.3 of the M60B40 engine

ECU Identification

 

DME M3.3 of the eight-cylinder M60 engine

 

  • Bosch hardware number: 0261200404
  • Bosch software number: 1267357689
  • BMW hardware number: 1748837
  • BMW software number: 101
  • Check number: 1738474
  • Part number: 1740020

Stored Fault Codes

 

 26   B+ supply to engine control unit

 

 

Fault code 26 in DME M3.3 control unit: B+ supply to engine control unit

Live Data

 

 47   Engine speed: 840 RPM

 

 78   Engine temperature: 55 °C

 

 77   Intake air temperature: 20 °C

 

 92   Ignition advance angle: 6° BTDC

 

 114   Injection signal cylinder #1: 2.751 ms

 

 13   Lambda sensor #1 voltage: 0.45 V

 

 12   Lambda sensor #2 voltage: 0.44 V

 

 100   Lambda integrator #1: 1

 

 99   Lambda integrator #2: 1

 

 

Parameters 47, 78, 77, 92, 114, 13, 12, 100, 99: RPM, temperatures, ignition timing, injection time, lambda voltages and integrators

 

 

 41   Air flow meter signal: 0.2 V | 40 kg/h

 

 93   Load signal: 2.3 ms

 

 73   Throttle valve: 0.7 V | idle

 

 101   Fuel cut-off at idle: not active

 

 

Parameters 41, 93, 73, 101: air flow meter signal, load signal, throttle position, fuel cut-off at idle