then precision reamed and honed for proper clearance

the VANOS system helps to increase torque at lower RPMs and enhance power at higher RPMs

5L drivetrain

Once the pressure is on

2018+ BMW X4 M40iX (G02)*

BMW N55 Short Block Assembly Service 1303409 then precision reamed and honed5150 AutoSport Short Block Build Service for BMW N55 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