BMW S54 Complete Engine Build Kit by 5150 AutoSport Application:Naturally Aspirated allowing for precise management of

allowing for precise management of wire stress levels to remain well within defined fatigue limits

Expert Technicians: Our seasoned technicians possess the knowledge and expertise to intricately balance crankshafts

If you want a complete kit (that comes unassembled)

Torque: 350 ft/lbs

268° Intake / 257° Exhaust   10

BMW S54 Complete Engine Build Kit by 5150 AutoSport Application:Naturally Aspirated allowing for precise management ofHave you been considering building your E46 M3 but weren't sure where to start? Unsure of what components to pair for the best possible power and reliability combination? We receive inquiries daily from S54 owners interested in building their engine but unsure where to start. The 5150 AutoSport Complete Engine Build Kit features every component you need to fortify your BMW S54 Engine internally and prepare for high power, high boost applications, or