The 5150 valve seat kit is engineered to provide optimal compatibility with BMW S58 engines

offering a top-quality alternative

2020–2022     BMW G07 Alpina     XB7

Supersprint exhausts enhance engine performance

adding in a custom cast aluminum manifold with optimized runners flowing into CNC’d aircraft-grade 6061 aluminum velocity stacks to smooth out airflow and reduce disruptive turbulence entering the throttle bodies

BMW S54 Short Block Assembly Service 11127853937 The 5150 valve seat kit5150 AutoSport Short Block Build Service for BMW S54 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