Port Injection Kits

Precision Raceworks port injection kits are engineered for high-performance BMW applications, delivering enhanced fuel flow and reliable power support for builds from 400whp to over 1,000whp. Designed specifically for S58 and B58 engines—including models like the G80 M3 and G82 M4—these kits integrate seamlessly with factory systems to support the added demands of upgraded turbo systems and ethanol blends like E85. Each kit features a full AN6 fuel rail system, smooth bore PTFE lines with stainless and nylon braiding, billet fittings, and flow-matched Bosch Motorsport injectors (750cc or 950cc) with certificates of conformance for accurate tuning. Unique locking mechanisms ensure injector security under high boost pressures, improving safety and serviceability. With compatibility, durability, and performance at the forefront, Precision Raceworks port injection kits are the trusted solution for enthusiasts and tuners looking to maximize fuel delivery without compromise.