Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
PI on a direct injection motor works, but its a band aid. Especially on something as new and expensive as an M2. There are plenty of known issues, for ex. correct distribution of fuel between cyl/banks, that are not addressed from a safety stand point. You're rolling the dice the more you lean on PI. Just think through what would happen if you had an injector start failing... HINT: lean, Lean, LEAN, POP!
Well said.

Unless running a standalone designed for control of the PI it's all just band aid stuff and always has been on the BMW DI platforms just like meth.