BMW Performance Parts & Race Engines

At 5150 AutoSport, we supply BMW performance parts and operate a fully in-house engine shop dedicated to complete engine building.

Our services cover everything from CNC machining and cylinder head work to short block and long block assembly. Every engine is built by BMW-experienced specialists to precise tolerances and performance-focused specifications.

5150 Engine Shop

Performance Cylinder Head Services

5150 Performance Cylinder Head Services utilize advanced 5-axis CNC machining to optimize port volume, airflow, and surface precision for maximum uniformity. By integrating multi-angle valve jobs and high-performance valvetrain components, this service delivers a fully assembled head that increases power and throttle response while ensuring lasting durability.

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5150 Engine Shop

Short Block Assembly Services

5150's Short Block Assembly Services utilize professional machining and strict measurement standards to ensure maximum reliability. Each build includes comprehensive services such as cylinder honing, line honing of main journals, and precision balancing of the rotating assembly to deliver the consistency required for forced induction and racing applications.

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5150 Engine Shop

Engine Modifications

From Engine Sleeving to Oversized Head Stud Installation to Fire Ringing, 5150 offers a range of engine modification services.

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From precision machining to final assembly, the 5150 team delivers the highest quality engine building services.

Power Meets Reliability: Arias Pistons for BMW

Established in 1969, Arias has a 55+ year legacy of engineering top-tier, high-quality pistons at competitive prices. Manufactured in the renowned CP-Carrillo facility in Irvine, CA, these forged piston sets represent the pinnacle of precision engineering and cutting-edge manufacturing technology.