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All G45 models are interchangeable meaning they are the same size and can be swapped out without having to reconfigure any other turbo kit parts
these supercharger-specific cams ensure smooth
Comprehensive hardware kit and instruction manual for straightforward installation by experienced technicians
FUEL INJECTOR COMPATIBILITY
giving your M54 the airflow benefits of the S54 ITB throttle system
Race-Spec P54 Headers for E46 M3 by 5150 AutoSport S85B50 All G45 models are interchangeableThe 5150 AutoSport Race Spec P54 Header for E46 M3 is engineered for serious motorsport performance, drawing direct inspiration from BMWs legendary P54 race engine. Designed to maximize exhaust flow and reduce backpressure, this header is built to support high revving S54 engines under extreme racing conditions. Crafted from high grade stainless steel, it delivers exceptional durability and thermal stability while maintaining precise fitment for the
