The most popular package for track cars features the stepped headers without catalytic converters

engineered for BMW M20B20

you can enhance your engine's capabilities

New Seals & Plastic InternalsAll critical plastic components and seals are replaced for a complete refresh—ensuring reliability

Water pump failure is quite common with BMW N54/N55 models

BMW M20 Short Block Assembly Service Knitted The most popular package for5150 AutoSport Short Block Build Service for BMW M20 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