FYI here log of my tune running e30
https://www.bootmod3.net/log?id=60d8...729b3fd8cf0f0a
per the stock TQ to Load tables provided your tuner has not messed with them, I have not, we can compare TQ and boost below of your BM3 OTS 91 vs my hybrid turbo custom e30, for general interest,
FYI both IAT were close to 51 deg in the OTS log and 49 deg in my log
380nm @ 4000rpm @ 1.25 bar @ 5.5 deg
466nm @ 4000rpm @ 1.55 bar @ 7.5 deg
375nm @ 5000rpm @ 1.4 bar @ 6 deg
485nm @ 5000rpm @ 1.7 bar @ 12 deg
300nm @ 6000rpm @ 1.3 bar @ 7 deg
475nm @ 6000rpm @ 1.9 bar @ 13.5 deg
275nm @ 6500rpm @ 1.25 bar @ 7 deg
450nm @ 6500rpm @ 2.0 bar @ 14.5deg