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'''BMW S14B23 (M3 E30 2.3L euro version) turbo engine with (4 cylinders, firing order 1342)''' '''4 Low Z (Peak and Hold) injectors''' (Full Sequential control) ---- '''Ignition outputs''' with wasted spark coilpacks ... * so '''2 active coils or 2 passive coils ?''' * In any case, 6 or 8 IGBT is good choice ** for 2 passive coils, even just 2 or 4 IGBT also enough (also enough for plenty active coils), but less spare power-outputs for extras ** HINT: even if you choose ECU with 6 IGBTs, make the harness so the 2 passive ignition coils are controlled by EC36/34 and EC36/36 (pretend that only 2 IGBT-s available while designing/making the harness) *** this way even a "spare" VEMS ECU with only 2 power-IGBT ignout can control it. Although possible to do differently, there is no justification to wire in any other way. 1 knock sensor already installed on the block 1 External map sensor connected in the Inlet Manifold 1 Exhaust Gaz Temperature already installed in the exhaust piping 1 Boost Solenoid connected to an external Wastegate The Primary Trigger is: VR The Secondary Trigger is: VR BMW S14B23 (M3 E30 2.3L euro version) turbo engine - '''1-wire interface NO''' - EGT input 1 - '''ETC Bridge Output_Interface 1''' => No please ! - Flyback LowZ '''active flyback 4ch''' - Hi-side PFET outputs 4 - ignition driver 4 - Knock input channels 1 - LCD connection yes - '''MAP connection offboard (electronic)''' - mounting-style no-screws - primary_trigger EC36/27 VR - secondary_trigger EC36/13VR - Special requests no - withSDcard removable Questions: - “active flyback" is a must for low-Z injectors (universal: can be used for high-Z too)”. * => does that mean that as now as I have mounted low Z injectors on this block and if I want later to go to High Z injectors this will be ok to control them with this ? * '''YES, [https://shop.vems.hu/catalog/lowz-extension-channel-p-161.html active flyback] installed internally => suitable for either High-Z or Low-Z''' ---- '''Trigger''' Could please '''confirm my choice of the primary trigger : VR and the secondary trigger : VR ?''' * '''measure primary and secondary trigger:''' ** if you find 2 pins with same resistance (usually between 350 and 1500 Ohm) in both directions, that is VR sensor. Otherwise HALL. ** take note of resistance (we'll confirm when we see your measurement) Also, when you refer the project pages in the order comment (possuble multiple URLS, but max 1 project per page) we take another look when processing the order
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