There is no way you will have broken 400 hp, or even come close, with those mods.
Sorry but you should really go back and ask for your money back, the dyno is obviously wrong. I and someone else on this forum with exact mods as you ran between 350-370whp.
Also, you are only pushing 14.5 psi with Map 2. Another user on this forum ran E30 with Map 7 (17psi) and that was only good enough for 415whp.
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2019 G30 M550i
GBNF:
2021 G80 M3, 2019 F90 M5 Competition, 2016 F80 M3, 2014 F22 M235i
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