S model versions of the inline 6-cylinder engines found in E34/E36 chassis

and 14x Nuts offering increased clamping force and enhanced head gasket sealing

ensuring a reliable and robust performance in any situation

Specifically designed for BMW M40

with a balance of power and torque

BMW B48 Valve Spring Kit by Ferrea 11121736318 S model versions of theWhen 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