BMW N55/S55 Stage 2 Direct Injectors N54 and a quality BMS inverted

and a quality BMS inverted cone air filter to match

and all hardware required for the installation

lower diffuser

Every ARM Motorsports product is backed by a lifetime warranty which is automatically issued at the time of purchase

Ethanol Sensor

BMW N55/S55 Stage 2 Direct Injectors N54 and a quality BMS invertedDescription The Precision Raceworks N55 S55 Stage 2 Injectors are designed for customers looking to push the limits without port injection (or in addition to port injection). Our high flow injectors were developed in a partnership with NHP, taking advantage of resources offered by both companies to produce the highest quality and highest flowing direct injector upgrade ever for the N55 engine. These high flow injectors flow 55% over stock! This means