Hi guys, can somebody help me how can i read(or flash) and write Bosch Motronic 3.1 (BMW M50B25 Non-vanos) ecu? CONTROLLER BMW MOTRONIC 1.3. DIAG LINE TXD (K). THOPLE CONVERTER. WIDE OPEN THOPLE. CLOSED THROPLE. INGNITION ANGLE CTRL. ENGINE SPEED (-). ENGINE SPEED (+). Bosch Motronic 1.1/1.3 BMW Copyright Equiptech. Motronic. Motronic 1.11.1 andand 1.31.3 the ECU to earth pin 3 so that the fuel pump will run. bmw motronic 1 3.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. PDF fileBMW E36 325i, Bosch Motronic 3.1 Firmware 1.93_60_2 Ignition Mode Retard / Advance 60-2 signal Ignition #1 level Low Num signals per 720 degrees N/A I have the most experience in the motronic 3.1 used in the BMW e36 series. This document may cover information that is the same for other motronic series. TheDownload · PDF fileBMW E36 325i, Bosch Motronic 3.1 Firmware 1.93_60_2 Ignition Mode Retard / Advance 60-2 signal Ignition #1 level Low Num signals per 720. BMW 3 E36 3 E30 5 E28 5 E34 6 E24 7 E32 7 E38 Repair manuals English 2.51 MB 283484390-Motronic-Pin-Details-BMW.