Quote:
Originally Posted by hakcar
...Do remember though that there's an assessment period to build up a basis for adaptations when changing a map, or upgrading the DME firmware, so while your charcoal liner delete certainly makes sense, it ...
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If i am not mistaken, you are both referring to the air element filter for both cylinder banks, part 3 in
https://www.etkbmw.com/bmw/EN/search...M4/USA/02_0070. Arent these filters kinda important to keep ? (don't know much about tuning so its an innocent q).