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Not being a fan boy but the cm system contols the meth while the JB controls the tune. The new Vishnu system controls the meth as WELL as the tune at the same time. Best way IMHO.
Not hard to draw the conclusion that one tune will be proactive and the other reactive. Reactive with SFA proactive timing control = more potential for engine damage IMHO. Look at the stats regarding grenaded motors.
I'm more than happy to admit I favor the Vishnu approach, shit I've got 95000 klms on my n54 and I installed a proceed on the day of delivery back in 07 with no tune related issues. This is testiment to the solid nature of both the N54 hardware as well as the tuning by Vishnu & it's evolution over time.
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Vishnu PROcede V5 | VK Motorworks FMIC | AR Design OCC | Forge DV's | Bilstein PSS9 | M3 Lower Control Arms & Caster Rods | Quaife LSD | HiTech Exhaust | BMW Performance Illuminated Door Sills | BMW Performance Gear Selector & Boot | BMW Performance E-Brake Cover
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