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'''BMW-s from French Polynesia in Tahiti''' collecting info before ordering 3 different ECU VEMS V3 for 3 different BMW engine turbo projects. Note: 3 projects interleaved is confusing, so '''page HAS BEEN split, see links below''' This page: BMW S38B38 (M5 E34 3.8L euro version) turbo engine with (6 cylinders) ---- '''Sibling BMW projects (same installer):''' * MembersPage/TahitiBmwSfourteen BMW S14B23 (M3 E30 2.3L euro version) turbo engine * MembersPage/TahitiBmwSfifty BMW S50B32 (M3 E36 3.2L euro version with '''VR,VR,VR double Vanos''' ) ** motronic88 is good option for S50B32 (econoseal VEMS ECU with the right options also controls it, but more work) Make sure the correct trigger options are chosen, and strongly advised: in order comment refer to these wiki pages (max 1 project per page). TODO: mention basics at top of pages, like "6cyl" or "4cyl" (and preferrably firing order also, eg 153624 or 1342) ---- '''Generic advice, applies to all 3 engines: [http://shop.vems.hu/catalog/vems-p-48.html VEMS ECU supports all] ''' * Primary rule: '''CHOOSE DEFAULT''' if unsure (eg. 1-wire, ETC-interface, ...) * 6 High Z (saturated) injectors which I want to control them in Full Sequential Procedure ** => no problem with camsync connected and configured properly * What’s the meaning of : “ 1-wire interface” ? ** if you do NOT know, do NOT need it, choose the default : +1 analog input more useful instead of 1-wire (which can be used for ButtonImmobilizer ) ** Look around in [http://vems.hu/vt/help/main/v3.html VemsTune Help] v3 dialogs, primary source of information * What’s the mounting style "no screws" ** photo: GenBoard/VerThree/CaseAndMounting ** choose default (flanged), or "no screws" if space is extremely tight (enough for 173mm, but not enough for flanges ~195mm) * Ignition Driver : I have taken the 6+2 ** for 4 cyl, or if you plan to use passive coils, choose 8 IGBT ** on 6 cyl, if uncertain (to be determined later: perhaps 6 active coils, perhaps 6 passive coils) choose 6+2 ** remember the 4 stepper outputs can be used for 4 active coils * bridgeoutput interface: only useful if also ordering [https://shop.vems.hu/catalog/bridgeoutputdriver-p-185.html Bridgeoutput Driver], only recommended for experienced installers ( See [http://vems.hu/vt/help/v3/v3_electronic_throttle_control.html VT help] only recommended for experienced installers (please do NOT use DBW for first install) ---- '''BMW S38B38 (M5 E34 3.8L euro version) turbo engine with (6 cylinders)''' 6 High Z (saturated) injectors which I want to control them in Full Sequential Procedure Ignition: with wasted spark coils pack which I want a wasted spark procedure 2 knock sensors 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 '''Primary Trigger is: VR''' '''Secondary Trigger is: VR''' ---- BMW S38B38 (M5 E34 3.8L euro version) - '''1-wire interface NO''' - EGT input 1 - '''ETC Bridge Output_Interface 1''' => NO please - Flyback HighZ-only 30V flyback - Hi-side PFET outputs 4 - ignition driver 6+2 - Knock input channels 2 - LCD connection yes - MAP connection offboard (electronic) - mounting-style no-screws - primary_trigger EC36/27 VR - secondary_trigger EC36/13VR - Service ASAP - Special requests no - withSDcard removable Questions : -And could please confirm my choice of the primary trigger : VR and the secondary trigger : VR ? See trigger below (and measure). "I really want to order these parts from manufacturer not from reseller." The only requirement is to edit these pages: maintain thematically (as in wiki, not chronologically as in email or forum), and non-interleaved (separate page for each project). ---- '''Trigger''' * '''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 When you refer the project pages in the order comment (1 project per page) we take another look when processing the order
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