BMS JB4 Port Injection controller ala cart BMW ***If you select Base as

***If you select Base as an option you cannot add injectors

*Each manifold is CNC machined after being cast to remove any excess material and weight involved in the casting process

The factory expansion tank is retained as well as the bottom factory mounting bracket

Inlets and outlet are placed in the same location as the OEM cooler so you can retain your factory charge pipes

0-48psi MAP pressure range

BMS JB4 Port Injection controller ala cart BMW ***If you select Base asThe JB4 controls port injection flow as a function of boost, gear, engine speed, injection pressure, and includes advanced features such as tip in enrichment and fuel injector flow detection to trigger a safety in the event of an unplugged or shorted fuel injector. Unlike the old AIC6 controller no programming or mapping is required on the controller itself. You simply connect it to the JB4 harness using the included PNP connectors. Note the fuel