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The S55 suffers heavily from heat soak
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the ReFlex+ brings high-end ECU features to your N55 at a fraction of the cost
SuperTech's precision-engineered valve spring kits for BMW N55 & S55 engines provide the essential components necessary for improving valve control and ensure reliability under demanding conditions
turbocharged applications
BMW S63 Billet Intake Manifolds for F9X M5 M8 custom piston The S55 suffers heavily fromRK Autowerks Billet Intake Manifolds are precision engineered for BMW M5 and M8 models, delivering improved airflow, throttle response, and performance potential. Designed entirely in house using 3D laser scanning and rapid prototyping, each manifold is meticulously machined on a 4 axis CNC mill to ensure exact fitment and maximum efficiency. These billet intake manifolds are engineered for enthusiasts who want to upgrade their engines breathing while
