I wouldn't worry I had this twice on my M5 with JB4 and charcoal deletes once randomly and after 15 minutes of sitting never came back [that was at 2k miles], and then at 17k miles when I turned the boost up double and it came on at the speed limiter so full WOT and that I'm pretty sure was it doing it due to fueling limitations and that much extra boost...
Bottom line unless it doesn't appear to be random in its occurrence or you are able to replicate its appearance I wouldn't worry.
I've never had it come on, on the m4 and I've had the JB4 on since 3k miles
Quote:
Originally Posted by dmk08
Looks like he's got Stage 1. No codes in there right?
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Yup. Unless you splice it in with I believe the green wires [stage2+ ready], you cant read codes.