MHD stage 2 map N55 135i (DCT) stock turbo MHD Stage 2, 93 octane map. Wagner cattless 3.5inch downpipe, upgraded chargepipe, Dinan intercooler
Lpfp issues After installing spool fx-170 hpfp and spool stg 2 lpfp. I’m encountering sputtering and fuel pressure drop to 500psi at wot.