BMW 330xi Rocker Arm is an endemic part which when installed takes the BMW 330xi from the year 2001 to 2006 to another level of performance and durability. This Rocker Arm properly translates the amount of movement that originated from the pushrod towards the intake and exhaust valves, to accommodate the proper function of the engine. Available in stamped steel or aluminum, the BMW 330xi Rocker Arm changes vertical movement into the right kind of force needed to strike the valves to increase engine performance. Usually coming with a rocker ratio of between 1.5:1 and 1.8:1, this Rocker Arm helps to boost camshaft lift; and complements the powerful BMW 330xi's inline six-cylinder engine that yields 231 PS. Features such as roller rockers with needle bearings are used; they reduce friction and therefore increase performance and component durability. Also, in high-RPM uses, the improved fulcrum bearings for the BMW 330xi Rocker Arm guarantee that it can now withstand more stress, thus supporting its proven dependency. This Rocker Arm is perfectly suitable for numerous 330xi models and fulfills the important mission of improving cars' efficiency and safety, which makes it unique on the automotive market. Namely, the all-wheel drive of BMW 330xi as well as the result of the usage of the Rocker Arm allows meeting the customers' need for a comfortable and reliable car that meets the requirements of an enthusiast.
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