Quote:
Originally Posted by chris_flies
The beauty of this method (all above) is that you're simply writing your car's VIN and option list to the cluster. The 135i cluster already "knows" how to correctly display tach over the 8k RPM scale and to display oil temp correctly. You likely won't need Perfekt Toolbox at all using this method. I'll have the rest of this guide (setting needles with INPA and installing the cluster) finished by mid-day Saturday, at the latest.
I had to modify the faces because I swapped a 128i EEPROM into the 135i cluster. The EEPROM thought it had the 7500rpm scale and an instant MPG gauge, but it was simply in the wrong body. I did try using Perfekt Toolbox, but then the communication issues bit me in the ass and it didn't work, and killed my cruise control at the same time. Everything just went down hill with that gauge cluster after messing with Perfekt Toolbox (not knocking it, because I did have a jankily-modded cluster).
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I really hope that is the case because that makes it super easy. I was most worried about the gauge scaling being off. Less software to mess with is always a good thing.