Quote:
Originally Posted by NoTanks52
What's the power difference? If unable to quantify it, what feels different and how does it sound, did you do the burble option or no>?
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Some dyno results are published on their website here:
https://missiontuning.com/bmw-engine...lash-tune.html
You can stage 1 and stage 2 on 91 and 91+e85/93 for comparisons sake :-)