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Originally Posted by bloozemanAZ
DME? Found dmetuning.com and they list a M850i but only a 2020. Same for a M8/M8C as in June of 2020 BMW deployed the locked ECU. Mine's a October 2019 build but it's been widely reported on the forum that subsequent OTA's locked the ECU regardless. Fact or fiction?
Description on the DME site is "Expertly calibrated and meticulously refined, DME Tuning’s ECU software is guaranteed to give you MORE of a good thing." If the ECU is locked then I guess that's a no go.
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You are talking about a retailer called DME tuning--- Im using the letters DME in relation to the ECU which is just another way of phrasing it.
DME is usually a Porsche term for ECU and I carried it here.
Ive done probably over 150 tunes in my life with revisions on many cars.... to date I have not had an OTA wipe a tune. That could be possibly very different with the S63tu as Ive only done piggys but I was chiming in with my tangible tuning experience.
I have no experience with DME Tuning (the company) but have heard great things.
EG: I have a DME (non company related) tune on my Porsche and it needed to be unlocked. I have had 3 OTA's and no wipe or relock. BMW owners mileage may vary.
https://rennlist.com/forums/924-931-...stand-for.html