The N55 is a powerhouse, capable of producing over 600 horsepower on stock internals, but it has weak points. All that power requires almost 3x the boost the N55 was designed for. While the engine...
Keep the boost flowing through your BMW with the Mishimoto 2015+ BMW F8X M3/M4 Charge Pipe Kit. The air-to-water intercooler keeping IAT?s low is a system, and the stock charge pipes can be a weak...