[Bursaliozer]

Hi guys. 2007 335i with dual intake, charge pipe, BOV, and JB4 at map 5 on 93 octane.
When i set the fuel gauge to boost reading and get on it I only see 9psi max till i get to around 6k RPM and the half engine shows up. I tried map 1 and still get under 10psi. While accelerating i can hear a strong vooosshhh sound followed by the BOV opening once i let off the gas. I checked the pipes and connections and cant seem to find anything thats out of place. Any suggestions?

I will do a log tomorrow hopefully and upload it.
One thing i noticed in JB4 under user preferences the cells werent zeros, some had numbers in them. Should they all be set to zero if im running map 5 only?
All the mods came with the car, along with JB4 installed. Im new to this tuning and trying to figure this out.

Thanks for any help.