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I3 94Ah REX to I3S 94Ah REX software mod - Printable Version

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I3 94Ah REX to I3S 94Ah REX software mod - vanos - 31-01-2026

Does anyone have any experience with uploading the I3S 94Ah REX software to a regular 2017 I3 94Ah REX?
As far as I know, the affected ECUs are "AE", "DSC", "EDME".

Thanks, Vanos


RE: I3 94Ah REX to I3S 94Ah REX software mod - masa52 - 01-02-2026

possible, as far I remember only two ecu have different software, and need few FA codings thats it.


RE: I3 94Ah REX to I3S 94Ah REX software mod - vanos - 01-02-2026

The original Typschlüssel is 1Z81. I-Step build and Zeitkriterium is 07/17.
The first I3S Zeitkriterium is 11/17, Typschlüssel is 7Z81.
After FA modification i have diferent software for AE, DSC, and EDME.
HWEL is accepted for DSC and EDME, but for AE not.