Quote:
Originally Posted by Resjudicata
Unless it's an older one, you can't tune it. If it's an early 2019 or 2020; you have a couple tuning options.
Bootmod3
MHD
CARBHAN
DME
Some other options if you're in Europe, but mostly those 4 are the only USA ones.
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Why can't he use a piggy back like Racechip or JB4
https://www.racechip.us/shop/bmw/8-s...-553lb-ft.html
https://burgertuning.com/collections...63tu-jb4-tuner