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This topic has started as request assistance with buy to choose all options correctly. However I will need probably more assistance so would like also share gained information with others to help with further installations. '''Goal''': Fit VEMS to control BMW M62B44(no Vanos) modified engine but still natural aspirated. Is this page for "Dominik" ? Cool. minor note: when installing, make it separate page for each project (to avoid disambiguaty) '''Stock M62 parameters:''' *** V8 *** DOHC without VANOS *** STOCK ECU BOSCH DME M5.2 *** Fully sequential injection *** 8 coils "passive" *** ABS ring wheel speed signal (direct) *** Idle : ZWD "idle speed is controlled on the M62 engine by means of a two-winding rotary actuator" Stock signals: *Inputs ***Crank sensor : VR reading signal from flywheel ***Cam sensor : Hall reading signal from intake cam cylinder 1to4 *** 1x TPS *** MAT *** CLT *** 4channel Knock *** 2x Narrow band *Outputs ***Coil direct to spark, need IGBT driver (8 totally) ***Injectors are High impedance/ High-Z *** Idle valve (ZWD two-winding rotary actuator) ---- '''Target M62 parameters:''' * NA * Stock Crank sensor * Stock Cam sensor * 8x Stock Coil * Stock Idle control (13 41 1 733 090) * ITB from S62 also with injectors High-Z * Alfa N * Intake air pressure * Drive by Wire actuator from S62 (12 72 7 831 246) * 2x wide band * 2x EGT * 2x Knock * Flat shift Signals: *Inputs *** Crank sensor : VR reading signal from flywheel *** Cam sensor : Hall reading signal from intake cam cylinder 1to4 *** 2x Wide Band closed loop *** 2x EGT *** 1x TPS *** MAT *** CLT *** 2channel Knock *** Electric accelerator pedal module - double resistor with kick down switch (35 42 6 786 281) *** CAN bus *** Speed sensing S62 ABS rings on rear axle *** Fuel Pressure *** Oil Pressure *** Oil Temperature *Outputs ***Coil direct to spark, need IGBT driver (8 totally) ***Injectors are High impedance/ High-Z *** Idle valve (ZWD two-winding rotary actuator) *** PWM FAN control *** CAN bus (Signal for S54 instrument cluster) *** Alarm control/signal “LED” ---- Dominik's Mercedes V8 engine (if this page is not for Dominik, this section will move) : '''ECU fits our requirements, but 1 topic must be solved''' ; * can we implement 8 high current [https://shop.vems.hu/catalog/ignition-driver-p-49.html ignition drivers] => those would be able to control 2 ignition coils each. * can we add 8 further ignition drivers to to the 8 ignition outputs (2 parallel on each output)? yes, Either * order with 0 IGBT (8 logiclevel), and order comment: "please add 3 clamping plates, and 1 insulatorsheet (3 lines)" ** this allows using an external heatsink to mount 16 IGBTs in 3 lines OR * order with 8 IGBT , and order comment: "please wire the 8 internal LOGICLEVEL IGBT gate-drives to endplate flying loom EC10 connector, and add 2 clamping plates, and 1 insulatorsheet (2 lines)" ** this allows using an external heatsink to mount 8 IGBTs in 2 lines [https://shop.vems.hu/catalog/ignition-driver-insulator-sheet-p-75.html Insulatorsheet] Fitting all 16 IGBT-s inside ECU (although theoretically possible, of course, mechanically could fit) does not sound a good idea. Assembly would be more difficult, errorprone, and cooling might be insufficient (depends on current of course). The clamping plates are free of charge (if mentioned in the order comment when ordering ... not in email after). ---- * other M62b44 projects MembersPage/Qualitec
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