1. M

    E9X Boost issue after new intercooler?

    Hi all, For reference: MHD st2+ E30 Replaced my radiator this evening and decided to swap in the 5” VRSF intercooler I’ve had sitting on the shelf for a while Before I installed the new intercooler I would hit 22.8psi sometimes 23 With the new intercooler in I’m only hitting about 15psi even...
  2. Rob09msport

    Thoughts on wth I need to fix now

    I am fbo with inlets outlets fully catless walnut blasted 5k ago new injectors and plugs 15k on hpfp and turbos and now my wgdc is high. https://datazap.me/u/robby37/high-wgdc-i-think?log=0&data=3-22 Could this be boost solenoid aka pressure converter I changed one 10k miles ago because was...
  3. WOT808

    WGDC Drops. Default to WGDC Base. No PID added

    Hey all, I've been having this weird issue for about a month now. Symptom: Spool will slow and boost strays far from target. For some reason, the car defaults to the WGDC base value and PID doesn't intervene. Seems like some sort of limp mode (no codes or CEL). Cause: This usually happens after...