Eliminates Common S54 Issues: No more OEM valve shim failure

Manley Performance I-Beam Connecting Rod Set

(6) Exhaust valves

and they have proven to be a top performer in both street and racing BMW M54B25 engines

High Boost Kit:

BMW M52TU / M54 Valves by Ferrea Kelford Eliminates Common S54 Issues: NoFerrea Competition Plus Valves are known as one of the most dependable extreme duty valves available, engineered specifically for BMW M52TU and M54 engines. Crafted from aerospace grade alloys like EV8 Z18, these high performance valves deliver superior tensile strength and reliability, perfect for pushing your engine to the limit. Ferreas exclusive two step slow forging process optimizes grain flow, reducing stress in the material for unmatched