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'''Please add your coments for my first VEMS project.''' Here is inconvenient to find rigt thread for newbie... :( For first want to put VEMS on BMW M50 modified engine with COPs for dragrace. It is 6cyl 24V DOHC engine bored up to 3L. Deeply rebuilded head, very agresive cams for this stroke. Custom make intake system with large reciever. And more. *'''Why I want to put VEMS because:''' ** 1)COP (general) ** 2)WBO2 on board ** 3)sequential injection *'''What features I can't find:''' ** 1) Launch control! ** 2) traction control for beter acceleration control in first gear(rough like MSnS-Extra have) ** 3) '''ignition retard due hot intake and advance for cold engine.''' Second feature I have found very useful on my daily stand-alone equiped car. But I can't found it here. ** 4) two engine maps ('street fuel/race fuel' alike) ** 5)progressive shift ligts. and more All of theese functions is useful or even prerequisite for succeseful drag with revy engine. '''Q: Is here code for some of theese useful functions?''' A: There is a function called AntiLagSystem in which you can retard the ignition advance and add fuel, this is to give more boost off the line. Progressive shift lights can be made with the "misc outputs", check the MegaTune software. GK: Thanks. It is little better ---- '''Q: Is today from Megatune is reachable all functions? And there is nothing else?''' ---- *'''My shopping cart looks so:''' **1 x VEMS sticker **1 x Alubos EC frontplate **2 x Alubos gasket **1 x Alubos Endplate **1 x Alubos1600 **1 x Additional VR or Coil interface (both sensors is VR) **1 x Dual channel knock sensor interface (just for experiment) **1 x EGT input amplifier (just for experiment) **1 x Econoseal18-PCB **1 x Econoseal18-Wire **1 x Econoseal36-PCB **1 x Econoseal36-Wire **7 x Ignition driver **8 x Injector or WBO2 heater driver **1 x Wideband O2 sensor **1 x Ignition driver insulator sheet **1 x LCD4x20 **1 x Wideband connector **1 x Genboard v3.3 '''Q: Is thomething miss here?''' A: Why not fully populate the board with 8 ignition drivers (IGBT) ? You naturally need 1 injector driver per injector (8 max), the two superfluos drivers can be used for misc outputs or other high power usage on your 6 cyl engine. As you will build the board+case yourself, I recommend buying a few misc parts for connecting the serial port, LCD and EGT (cable + connectors). '''Q: What high current circuits you mean???''' GK: thanks! I've added this: **1 x PS2 keyboard extension cable **1 x Serial jack kit EGT is not priority. ---- Q: May be better is to put Genboard PCB inside Motronic ECU? A: The Genboard case is much easier to work with and will allow better cooling/clamping for the injector (FET) and ignition coil drivers (IGBT). I assume you have the 55 pin connector, it will be a lot of patch work to make it work with the original harness - it's a better idea to custom make your own harness, and within reason to also re-use some parts of the stock harness. ----
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