well i know of someone who is using a greddy E-manage unit ( i think it is called that) to tune his TT system, but other than that i dont think there is much out there as far as ECU options. the only thing right now is the technosquare flash, so im waiting until something better comes out. i know for the honda/acura imports they have something called the hondata and it is a tunable computer management system to your mods.
You know what might be cool is a How-to on reading the ECU error codes without the OBDII tool and a chart to link the codes to something human readable. I went through this exercise recently with my car, and knowing how to read the short/long flashes of the SES light saved me the $89-ish dollars the dealer probably would have charged me just to read the code.
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