anyone at high altitude log boost?

[8600RPM]

Given cars ability to raise boost to compensate for altitude I'm curious to see what bmw has deemed "safe" in terms of how much do they allow boost to rise and what timing looks like as it does. This would ease many folks looking at a tunexpected if we see that bmw builds in "x" amount of boost increase allowed stock in higher altitude. Obviously this applies to us living near sea level.