CSF has meticulously engineered this cooler to seamlessly fit into the stock location with no modifications required

1977 - 1982       BMW E21       320i

O-ring wire kits utilize 304 stainless wire to properly seal your cylinder heads or engine blocks

CP-Carrillo pistons are engineered to elevate your B48 engine’s performance to new heights

To select the correct kit

BMW M50 M52 S50 S52 Short Block Assembly Service 1 CSF has meticulously engineered this5150 AutoSport Short Block Build Service for BMW M50 M52 S50 S52 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