- Fully balanced

causing factory bolts to stretch and fail

This ARP oversized 11mm head stud kit is designed to replace the 10mm head studs in M50/M52/S50/S52 engines for those who want to push the limits of their high horsepower turbo engines

2014-2016     F22/F23     M235i

5150 AutoSport High Performance Main Bearing Set, BMW M50 M52 S50 S52 127-4000 - Fully balanced5150 AutoSport's High Performance Main Bearing Sets for BMW M50, M52, S50, and S52 engines are engineered to withstand extreme performance conditions. Featuring Calico coated surfaces, these bearings reduce friction, enabling your engine to generate more power and resist the risk of bearing spin under high stress. The advanced thermal resistant properties make them ideal for forced induction setups and racing applications, ensuring reliability even