M3This wrote:I'm in the same boat. I had Dynoflash flash my car with a custom dyno tune. Now Im looking at getting the tune redone and I dont have my stock map to start off with. Can someone tell me
a) How do I know what stock map to start off with
b) Can I get on the base maps that are available for DL here and actually load that to my ECU ? (just wondering if I ever need to go back to stock)
Sorry for the thread jack
Blak94GSX wrote:M3This wrote:I'm in the same boat. I had Dynoflash flash my car with a custom dyno tune. Now Im looking at getting the tune redone and I dont have my stock map to start off with. Can someone tell me
a) How do I know what stock map to start off with
b) Can I get on the base maps that are available for DL here and actually load that to my ECU ? (just wondering if I ever need to go back to stock)
Sorry for the thread jack
Here is what you need to do to restore a factory ROM to your ECU:
-Download the ROM that is in your ECU currently, save it out
-While looking at the ROM in ECUFlash, Expand the section at the top labeled ROM INFO, note the Internal ID. This tells you the model of the ROM and the version of the firmware. For example, 94170008 means 9417 is the model, version 8 of the firmware
-Expand the Misc section down at the bottom, find the Immobilizer code, write it down and/or copy it to the clipboard. This is the code that matches your ignition key
-Now that you know the model and immobilizer code, download from here, or somewhere, a stock ROM file that has the same model. You can try a later firmware revision if you want, although there isn't much different. 94170011 for example would be the same model but version 11 of the firmware
-Open the new factory ROM file in ECUFlash, check the ROM INFO again to make sure it is the same model
-Update the Immobilizer code with your code, save out the modified ROM file, then upload it to the ECU
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