and race applications

Before installing ARP head studs

2019-Present     F98     X4M

Specifically designed for BMW M40

BMW B48 Valve Spring Kit by Ferrea 11121736318 and race applicationsWhen it comes to enhancing engine performance in BMW, Toyota, and Mini B48 engines, Ferrea valve springs stand out as one of the best industry offerings. Designed to address three critical issues that can jeopardize engine efficiencybinding, breakage, and valve floatthese springs are engineered for serious enthusiasts and racers. Combatting Binding, Breakage, and Valve Float Binding can lead to valves that fail to open or close properly, risking