[Jakejacobsonn]

Hey I’m currently stuck at 20lbs of boost is this normal I’m have a 2015 328i mods are jb4 cp dp kn drop in air filter muffle res delete runing e85 mix with 93 oct 4 gallons of e85 rest 93 no matter the map I run I never hit over 20.4lbs tried basically all maps temps are between 200-230 i read people getting 21psi on simply tune alone my check engine light is on because of dp don’t no if that makes a diff or not did some pulls today peaked 20.4 at around 4500rpm can post logs tm but is 20 psi max for what I should be getting for these mods all maps basically ran the same numbers map1 19 map 2 20 map 5 18

[Jakejacobsonn]

Also does leaving ewg open or closed change anything

[rjd_F30]

Sounds about right, if not you could have a very minor boost leak. Not sure what your EWG question is getting at though...