Replaced all possible mechanical componets but still struggling with fuel! Please help!
Car info:
2007 335i 6MT
RB next gen plus turbos
FBO- the usual
Fuel-it stage 3 LPFP
Fuel-it PI 550 injectors
AIC2
FPS in-line filter/FPR with return line
To try to chase this issue, I went away from my custom tune ( since still in progress), disconnected my PI controller, removed my FF motiv kit, and uploaded an MHD OTS tune with e50 in the tank.
Two issues I see
1) Even with only e50, targeting not even 20psi, the HPFP is crashing badly
2) Bank 2 lamdba is showing symtoms of leaking injectors- even with new injectors...
Parts replaced (All OE from FCPEuro)
HPFP - Replaced twice!
HPFP sensor
Index 6 injectors - Bank 2 look like was leaking, still looks the same after replacement
All new oxygen sensors - OEM Bosh
Upgraded to MSD81
Car info:
2007 335i 6MT
RB next gen plus turbos
FBO- the usual
Fuel-it stage 3 LPFP
Fuel-it PI 550 injectors
AIC2
FPS in-line filter/FPR with return line
To try to chase this issue, I went away from my custom tune ( since still in progress), disconnected my PI controller, removed my FF motiv kit, and uploaded an MHD OTS tune with e50 in the tank.
Two issues I see
1) Even with only e50, targeting not even 20psi, the HPFP is crashing badly
2) Bank 2 lamdba is showing symtoms of leaking injectors- even with new injectors...
Parts replaced (All OE from FCPEuro)
HPFP - Replaced twice!
HPFP sensor
Index 6 injectors - Bank 2 look like was leaking, still looks the same after replacement
All new oxygen sensors - OEM Bosh
Upgraded to MSD81
Last edited: