If upgrading fuel injectors

for sedans use PFR5-711-12

WHICH DAMPER DO I CHOOSE

1mm  Valve Lift  Application  310° Intake / 310° Exhaust   11

CNC Machined Mounting Brackets and OEM Style “Quick Connect” Inlet/Outlet

BMW N54 Complete Engine Build Kit by 5150 AutoSport Connecting Rods:CP-Carrillo If upgrading fuel injectorsHave you been considering building your E8X E9X but weren't sure where to start? Unsure of what components to pair for the best possible power and reliability combination? We receive inquiries daily from N54 owners interested in building their engine but unsure where to start. The 5150 AutoSport Complete Engine Build Kit features every component you need to fortify your BMW N54 internally and prepare your engine for high power, high boost