Originally Posted by WMichaels
The prom does have to be removed and reprogrammed. None of the performance chip companies are offering any chip tuning via the ODBII port.
Or haven't yet figured out how to do it on a Crossfire. Maybe it's just not possible the way M/B designed the thing? As far as I've seen, it's not possible on any similar Benz, so....
And if the circuit board wasn't designed to allow in-place flashing, the only way to properly isolate the chip for reprogramming is to remove it.