RK Autowerkes S58 Port Injection Kit (M3, M4, X3M, X4M)

RK Autowerkes S58 Port Injection Kit (M3, M4, X3M, X4M)RK AUTOWERKS S58 PORT INJECTION KIT Includes: RK Autowerks S58 Fuel Rail E85 Capable Fuel Lines All Necessary Fuel Fittings Optional: Injectors 750cc Injectors ID 1050x Compatible with: Stock S58 Manifold RK Autowerks Billet Port Injection Manifold Can be installed into the following vehicles: M3 G80 2021+ M4 G82 G83 2021+ X3M F97 2019+ X4M F98 2019+

AEM UEGO etc

The high flow intake filters greatly increase flow in the mid to upper RPM range while introducing a more aggressive engine note

This means no more blown charge pipe connections on the track or road leaving you stranded

When paired with the ARM S55 Track Exhaust

all hoses or silicone nipples should be secured with a small zip tie to prevent possible boost leaks or blow off occurring

However this regulator by design is intended for race applications and does not have a check valve built in so fuel pressure bleeds off when the vehicle is shut off which can result in longer cranking cycle or rough idle when starting the car

The original panel filter boxes have many short comings and quickly become a restriction in the system when software

high-quality materials

there is no adverse affects from making this upgrade

Is it supported by tuners

and increases the exhaust note of your N55 powered BMW all at once

2012 – 2015 E84 BMW X1 35i & 35i xDrive N55