BMW N54 Lifter Shim Set by Ferrea Cut Ring Calico-coated bearings provide remarkable thermal

Calico-coated bearings provide remarkable thermal resistance

Please contact our sales department with any questions and to verify compatibility

NOTE: a fuel level sender cannot be used with this adapter in place

Custom billet fuel rail for the BMW with M50 intake manifold

or track days

BMW N54 Lifter Shim Set by Ferrea Cut Ring Calico-coated bearings provide remarkable thermalFerrea Lifter Shim Set for BMW N54 Engines The Ferrea Racing Lifter Shim Set is engineered to enhance the valvetrain stability of BMW N54 engines, ensuring smooth operation under high RPMs and extreme conditions. These precision shims, installed beneath the stock hydraulic lifters, reduce lifter travel to prevent valve float, improving throttle response and maintaining consistent power delivery. Whether youre tuning for high boost setups or