Just to add another data point, I did 10 map revisions with Cary and stopped tuning with him bc none of the maps were stable and all had issues in the logs. He said I had issues with plugs, coils, etc. “Couldn’t be the tune. I’ve tuned 1000s of BMW’s.”
Halim, on the other hand, provided 5 super stable and smooth revisions on the same hardware with no issues and more power.
Cary is all hype, and if you blow your motor on his tune, well, “it’s not his fault....”
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