Right that is what he wrote in the forum, i am not sure if i should post it here. if not i apologise.
"English version:
as Moerserlex said, you will definitely need bigger injectors, larger intercooler and sth like a Apexi AFC to control them. The stock supercharger kit is already maxing out the stock injectors.
For more than the 140mm pulley I would recommen a Map ECU2 to takr control over the sparks.
Heat managment is a big issue. The heat produced by the M62 driven with a 160mm pulley will cook your battery
I'm glad my engine is still working cuz I think I have - for a bunch of kilometers - crossed the boarder whats healthy for everything in the engine compartment"