Here are the two responses I received from MMC directly and from my dealer (bottom up). One would think there is a definitive answer. I don't mind doing a re-flash per se, but prefer to save that $ for Stage 2 if and when I go that route:
MMC: "Yes – Thank you.
We confirm that i you fit the Stage 1 Kit without the ECU Flash and no faults occur then that will be fine.
If faults do occur, then please contact your local Morgan Dealer to arrange further assistance.
Many thanks"
Me: "Rob, thanks for the quick reply. What has me puzzled is that no one I’ve spoken to that has done the Stage 1 in the past, and no one else currently installing it has had to reflash. Is this a US only emissions issue?"
MMC: "If you are intending to fit a Stage 1 Kit to your 2017 M3W, you should have a Stage 1 Re-Flash on the ECU. If you use the car without the New Flash, it may develop fault codes of bad sites left and bad sites right.
The ECU will need to be sent back here to the MMC Factory to do this – Please arrange this with your local Morgan Dealer."
Dealer: "Absolutely needs a re-flash…. The fuel mapping needs extra air flow more then stock so parameters need to be changed"
Hope this helps others......Mike
"...it may develop fault codes of bad sites left and bad sites right."
Well, this is certainly clear (not). What the heck is a bad site? Sounds like something you shouldn't point your browser to :-)
I have a 2017 ordered with Stage 1 kit factory installed. If there is a way to examine or dump my ECU to see what mapping or version is installed in it, I'm happy to do it. At the time I ordered it, I never heard that there was any change in the ECU mapping with the Stage 1 kit, but who knows.
