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IMPORTANT: enter the case-INsensitive alphabetic (no numbers) code AND WRITE SOME SHORT summary of changes (below) if you are saving changes. (not required for previewing changes). Wiki-spamming is not tolerated, will be removed, so it does NOT even show up in history. Spammers go away now. Visit Preferences to set your user name Summary of change: Hi, I'm looking for a ECM (VEMS Motronic55) for our French Audi Club S2/S4/RS2. This ECM could be support Flex Fuel for our Audi 5 Zylinder (engine type: ABY/AAN/ADU). We are very interesting of this ECM. - Could you explain me clearly and precisely how the Motronic55 could manage dual fuel (fuel and/or E85 (Ethanol) ? - I would like that it could take into account the variable concentration of Ethanol when refilling with fuel or Ethanol. This imply taking into account this % Ethanol dimension in the table to change the injection as Ethanol need ~30% more injection than fuel and change in the ignition as well ? - In addition to the change in injection and ignition, we could authorize higher boost pressure when concentration of Ethanol increase in the tank as the temperature of the exhaut gaz are lower and the resistance to auto fire is higher. - Could you explain me in detail and clearly how this could be set automatically according to fuel/Ethanol concentration by the VEMS Motronic55 ? - Do you have a user manual and user software available to set the parameters and data ? - Is there a management of the knock ? - How do you manage the 5 sparks as VEMS has 4 outputs for the ignition, is it via a wasted sparks ? * VEMS has 8 ignition channels which can be configured with IGBT´s for regular ignition coils or as Logiclevel for coils with powerstage built-in(i.e. VAG-Coils). It can be configured as wasted-spark or sequential. - Which price could you propose for this ECM (with Wideband Lambda Sonde) to our Club ? Thanks for all your Answers Olivier Optional: Add document to category: Wiki formatting: * is Bullet list ** Bullet list subentry ... '''Bold''', ---- is horizontal ruler, <code> preformatted text... </code> See wiki editing HELP for tables and other formatting tips and tricks.