I'd love to hear about driveability, and how the modified car is to drive "through the twisties" and other non-dyno applications.
I have not spent a lot of time following all of the various ECU flash and piggyback options, but I have read reviews praising mods like Dinan for big picture driveability and experience (despite lower mathematical gains), instead of peaking a tune for stoplight racing and dyno numbers.
Just curious. When my warranty is up, I might be interested in something like BM3. The greatest feature might be removing the cold start ECU light off so my M exhaust doesn't wake the neighbourhood.
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