Those numbers are low. A stage 2 PWG stock turbo should be at least 340-350+ on pump gas. I did quite a bit more on my last dyno with the stocker so I'm even being conservative.
2013 F30 335i 6MT - Stock PWG Turbo, FBO, 93 octane, BM3 S2 v6 map
Best Pull: 383whp, 494trq