Haven't seen much of anything outside of what you've described.
I think the fact that it's a PWG N55 is enough for most people to avoid going larger turbo. I hear it's harder to get tuning for a PWG N55.
If I was looking for more power than what FBO offers I think I would be looking into the next gen X3 M40i. I Know that's not an option for everyone however.
I wish you luck! How's Stage 2+ been? Any issues? How many miles modded?
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