Also gonna attach a baseline dyno for you (no tune) and you can see that power is pretty much flat from 6500+ with a slight taper even on OEM tuning. Its just the nature of the Turbos. It think BMW did a phenomenal job in actually keeping the power steady to redline.
Mike
Last edited by Mike@N54Tuning.com; 09-24-2015 at 08:00 AM..
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