542/587 for stage 6
521/585 for stage 5
Not a huge difference in peak numbers, but I believe the curve was good all the way.
The ideal to me would be Stage 6 for daily use, and a JB4 to manipulate 3.5Bar sensors, and have the ability to go wild when needed.
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2011 Space Grey 550i - Eisenmann exhaust, ACS Springs, Dinan Intercoolers, Intake, & Stage 5 tune
2011 Space Grey 335i - M Performance exhaust - Wifes
Past: 2000 Avus Blue M5 - Dinan exhaust, flywheel, & tune 180k+miles
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