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Summary of change:
'''BMW M30B35''' Note: if ECU also used for BMW M106 engine, separate page is needed for that, to avoid confusion. VEMS ECU for a * bmw m106 engine * also a bmw m30b35 engine with a kkk27 turbocharger. ** [http://www.vems.hu/wiki/index.php?action=find&find=m30b35 some m30b35 related pages] ** [http://www.vems.hu/wiki/index.php?action=find&find=m30b34 M30B34 search] (different engine, but might be useful), quite similar mechanically ---- '''Trigger negotiation, please measure and update here! Any trigger modification should be planned, and documented to avoid unnecessary project delays''' "If it does not fit, please let me know. " '''Measure for each (trigger) sensor: if you find 2 pins that measure same resistance in both directions (typically between 300..1400 Ohm), that is VR sensor. Otherwise HALL''' (or optical, but HALL input needed for that too, "eg.: very high frequency low capacitance value sectrig HALL is used for nissan-trigger). The HALL, auditrigger trigger as ordered is almost certainly not good, virtually nonexistant factory combination: HALL, VR * HALL, auditrigger is not really needed, but it can be used as HALL , VR ** HALL input could be used with VR-HALL adapter (or modified primary trigger with 1GT101 HALL sensor as in MembersPage/MattiasSandgren/BmwTwinTurbo ) ** but best to order VR,VR if the engine has VR sensors. '''ECU VEMS V3''' - '''primary_trigger: HALL''' - '''secondary_trigger: OBSOLETE auditrigger''' w/out camHALL inverter - ignition driver: 8 - Flyback: HighZ-only 30V flyback - MAP connection: 300kPa (6/4mm pneumatic) - LCD connection: yes - Knock input channels: 2 - EGT input: 2 primary trigger: Stock 60-2 crank trigger wheel, but most likely VR (not HALL). ---- Bmw m106 (is BMW M30B34MAE) engine and m30b35 engine are quite similar mechanically. I was unable to find any trigger information from the M106 it was used only in very old (1982-1986 E23 745i ) 7-Series body; For the m30b35 however (delivered in many bodies but most notably the 1987-1992 E34 535. [http://vems.hu/files/BMW/BMW_M30B35/ wiring diagram] Page #97 seems to suggest this engine needs a primary = VR / secondary = VR ecu. Other than trigger side, there are no uncertainties in his order (so good). I would ask him to confirm if the trigger on his engine is indeed the OEM VR/VR as wiring diagram suggests or if he has retrofitted some HALL/HALL other option (in that case HALL/HALL might be fine).
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