Fit For BMW Fuel Injectors Fuel Injectors. Engineered for high-pressure fuel systems, this injector delivers consistent and reliable performance. Optimized spray patterns improve combustion efficiency, reducing fuel consumption. Fuel injectors directly affect the air/fuel ratio for the engine and new fuel injectors do require a new or updated tune. We also suggest that you check the other component of the engine before installation., Manufacturer: Nwirmtm