The BMW Z4 Rocker Arm is a famous component which is acknowledged for its powerful quality and efficiency and helps in regulating the performance of the engine in all the BMW Z4 models. This component evolves the motion to and from the pushrod and also regulates the opening and closing of the intake and the exhaust valves. These Rocker Arm are made up of stiff materials such as stamped steel or aluminum and they are capable of functioning in high RPM environment, sometimes the rocker arms incorporate rollers that have bearings needles in an effort to reduce friction and wear. Modern engines feature the rocker ratio of between 1.5:1 and 1.8:1; increasing the rocker ratio has a direct impact on the engine's performance and its sensitivity, which used in improving the driving experience. Able to fit into Z4 models including the E85, E86, sDrive30i and sDrive35i, the Rocker Arm is useful in both standard and performance tuned cars such as the Z4 M outperforming factory rocker arms in stressful situations due to its enhanced fulcrum bearings. The BMW Z4 Rocker Arm is uniquely positioned in the automotive market for components not only in terms of engineering but also in terms of its contribution to the improvement of the BMW Z4 driveability, and therefore considered a cornerstone in the purchase decision of the serious BMW Z4 buyer especially one who has the passion for performance and reliability.
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