If you plan on upgrading your turbos or increasing power in some other way, you will also want to consider upgrading your fueling capability as well! Using stock BMW injectors, you will likely top out at around 600rwhp on 93 Octane with water/methanol injection and a tune (or less if running an ethanol blend). At the end of the day, the stock injectors just are not enough. Introducing Precision Raceworks' Multiport Injection Kit with flex-fuel compatibility! This kit allows you to safely and sufficiently support greater power levels with supplemental fueling without straining your stock fuel system. This kit integrates seamlessly into your car as if it were installed at the factory; you can’t even see the kit once the car is assembled! This kit includes everything needed to add multi-port injection and is 100% e85 compliant. Precision Raceworks includes new Genuine Bosch injectors which are flow matched both static and dynamic by an outside lab to industry-leading requirements. A Detailed certificate of conformance and genuine Bosch product certificate is included with each kit, giving you all flow data needed for optimal tuning. Don’t be tricked into thinking all port injection kits are equal, the Precision Raceworks kit is the industry leader and only plate style kit featuring even fuel distribution across all 6 cylinders. This kit features 750cc* injectors standard (this flow rate is based on industry-standard injector flow test pressure of 43.5psi), and at 72psi these injectors flow over 1000cc. This means Precision's Port Injection Kit is capable of supporting builds from 400whp up to 1,000whp and anywhere in between!
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