Open- or closed-loop boost control with multiple trim tables

and transient retard

resulting in unparalleled durability for your engine

making this valve kit an ideal choice for those seeking to maximize their E36's performance capabilities

often caused by inadequate spring rates

BMW S54 Upgraded Rocker Arm Shaft Kit valve springs Open- or closed-loop boost control5150 Autosport S54 Upgraded Rocker Arm Shaft Kit. These CNC machined shafts boast specialized oil holes and an oil connector bridge, guaranteeing optimal lubrication for your valve train. Whether you're on the road or the track, enjoy consistent operation, reduced wear, and heightened durability. Kit Includes: 1x High Performance Intake Rocker Arm Shaft 1x High Performance Exhaust Rocker Arm Shaft Oil Connector Bridge Replaces OEM Part Numbers: 11 33