and welded billet intake manifold from RK Autowerks delivers a performance-focused solution for Gen 2 B58 engines operating well above factory power levels

putting them through their paces on the street

BMW has released these engines in several revisions

E82 / E88 1M

requiring simultaneous replacements during piston maintenance

5150 AutoSport High Performance Main Bearing Set, BMW S54 BM-S54>-65472S and welded billet intake manifoldDesigned specifically for high performance engine builds, 5150 High Performance Coated Main Bearing Sets deliver unparalleled durability and efficiency for the BMW S54 engine. Each bearing features shells treated and coated by Calico, significantly reducing friction to enhance engine output and efficiency. Unlike OEM bearings, these Calico coated options provide superior thermal resistance, making them ideal for high horsepower applications, including