BMW 2021-2024 M4/M3 G8X S58 Port Injectors

Port fuel injectors for the 2021-2024 BMW M3/M4 (G8X) models equipped with the S58 engine. These injectors are designed to be an upgrade over the stock injectors, providing increased fuel flow to support higher horsepower and torque gains.  They are engineered for improved atomization, leading to more efficient combustion and potentially better throttle response.  South Bay Fuel Injectors emphasizes the quality and reliability of their injectors, making them a popular choice for enthusiasts looking to maximize the performance of their M3/M4.  It's important to note that upgrading fuel injectors often requires ECU tuning to properly utilize the increased fuel flow and avoid engine issues.