Well, I'm not any kind of engine or boosted applications engineer, but I'm an IT manager and engineer ( Open Systems, Networks, Application Development, PM ), so I'm used to think structured. I'm missing the point of the discussion here. All I would need is a safe boost / rpm curve respecting the 335i stock turbo capability, engine displacement, compression ratio and afr / fuel quality requirements. These are basic data for any kind of tune, IMO. Is it that hard to publish this kind of information ?
I question pressure drops above 1-1.5 PSI using aftermarket FMICs.
Let's get more concrete ...
Not more than 500 chp for my daily driver. Well, ...