BMW N20 Short Block Assembly Service X5 M60i the Athena Cut Ring Head

the Athena Cut Ring Head Gasket is the preferred choice

Built from lightweight CNC-machined aluminum with oversized internal flow paths and E85-safe materials

2-8 Cylinder Wasted Spark

The horsepower numbers represented above are calculated based strictly on choke flow of the compressor map (total turbo capability)

✔ Superior Fatigue Resistance – Engineered for long-term durability in high-horsepower and track applications

BMW N20 Short Block Assembly Service X5 M60i the Athena Cut Ring Head5150 AutoSport Short Block Build Service for BMW N20 Engines Please note that price is based on customer providing core. If you need help sourcing a core, please contact our sales team. When your BMW engine needs to be built right the first time, 5150 AutoSports Short Block Assembly Service delivers the precision, consistency, and experience demanded by high performance BMW builds. This service is performed in house by BMW focused engine builders