BMS JB4 Port Injection controller ala cart BMW Evolution of Speed is proud

Evolution of Speed is proud to bring our N54 intake manifold to market

Every intercooler we sell will have the fit and finish you expect from an Evolution of Speed product

0-48psi MAP pressure range

if you would like a custom color

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

BMS JB4 Port Injection controller ala cart BMW Evolution of Speed is proudThe 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