Originally Posted by Army335xi
only time I had issues with the JB3 was when it was first released (as I was the test dummy for the X series), but after the last update back in march '11 no issues with the tune... I've had another issue, but i don't think its the tunes fault... When I got the FMIC upgraded, the JB3 actually caused a boost leak when set to +5 over boost (because the silicon hose popped off the passenger side of the FMIC)... I need to update my sig block because I'm set to only +3 over with no pop off issues...
I may invest in a CP as well, but I don't see any that are compatible with the E70/F10 series... (X5 and 5 series share the same parts)
Too bad Matt isn't around to help you with the mods anymore.
Austin Yellow M4 15' (704 whp / 672 lb/tq) -> 800+???
AWE Non-Res Exhaust | BMS Intake | AWE ColdFront | EoS Intercooler | ER Downpipes | ER Chargepipes | JB4 | Ice Tank | Custom SS Methanol | Swift Springs | TPG/DSS 1200hp Axles | Dodson Sportsman DCT Clutch | PURE Stage ? Ti's | Port Injection | Built Motor (Pauter Rods, Wiseco Pistons, Port & Polish)