N54 external fuel pressure regulator. Port Injection spacer. VDO BMW Fuel Filter/Fuel Pressure Regulator Repair Kit Left - VDO 16117163295 MSRP: Now: $199. Pause the video at the end for the picture of the steps. Don't get me wrong, staying with stock regulator works fine, but it definitely becomes a restriction at higher power Aug 31, 2008 · How do you know if the fuel pressure regulator is going bad 1 reading Jump to Latest 183K views 12 replies 7 participants last post by 0023841 Dec 31, 2015 External FPR 04-08-2015, 07:57 PM Is there a diy for installing the motive external fuel pressure regulator? if so can some one send me the link or give me some info on how to install this 2009 BMW 335I with: MHD/Haltech, precision 6870 turbo, jp Workz header, Wagner EVO II intercooler,HKS exhaust with cutouts, stage 3 lpfp, wavtech lsd, eospeed intake manifold with fuel return and 60lb The Precision Raceworks N54 Return System with Pressure Regulator is designed to work with most BMW’s with fuel pump located on passenger side of car. Some regulators have different sized orfices for the return. Any 135i or 335i can gain from this but it's only necessary for cars making over 650 whp on E85. This is a complete Low Pressure Fuel Pump (LPFP) upgrade that replaces your stock LPFP assembly with a new E85 certified one. . (+$395) - $2,248. Allows for maximum flow, lower current draw, and fuel pressure regulation in a single package! Brand: ES#: 4666771 Mfg#: 601-0244 May 8, 2020 · What kind of external fpr are you running? If it can't keep the pressure below the set point that means it's unable to bypass enough fuel. ymnp mlc3d d9l2 agm 37fwy1 pnt2k cgre nyqb nu7 xdu