BMW N55 & S55 Direct Injectors sq5 b9 Improve throttle response

Improve throttle response

This high quality solution is direct plug and play with all factory and aftermarket fuel lines providing you a quick and easy way to supply fuel to the port injection of your aftermarket intake manifold

This top-notch aftermarket upgrade is engineered to enhance your engine's efficiency and deliver a thrilling driving experience

0T Midpipes

BMS Spark Plug Socket Features & Benefits

BMW N55 & S55 Direct Injectors sq5 b9 Improve throttle responseThe Precision Raceworks N55 S55 Upgraded DI 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 that