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Originally Posted by RPiM5
That's about right. When I ran that setup I was making somewhere in the range of 600-650 crank horsepower. The BMS Stage 1 is giving you the most gains, while the RPI might net you a few hp, but the Gruppe M Intake might be causing hp loss or no gains, those things are really just for looks. The stock intake with the charcoal filters removed give you the same as Gruppe M.
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really?
I'm going to swap back to stock then. love the sound of the intake though...
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2013 M5 Space Gray, Piano Black|Night Vision|Every option|6MT|RW Carbon front Lip|Vorsteiner Rear Diffuser|
2019 x7 50i White, Loaded | chrome delete | black grill |
Previous: 2015 X5 Graphite, |All options| - 2014 435i Xdrive Msport, |Fully Loaded|6MT|FBO|JB4|Front,side,rear lips/spoilers|- 2015 320i Xdrive, |Wife's beater| - 2008 535i Xdrive