The BMW 330i GT xDrive rocker arm plays an essential role in the performance as well as the overall durability of the BMW 330i GT xDrive models. This Rocker Arm effectively transmits the movement from the pushrod to the intake as well as exhaust valves to produce proper valve operation. Usually made from stamped steel or aluminum, the Rocker Arm is responsible for translating the required vertical movement into the right amount of force that will open the valves to optimise the engine. Roller rockers with needle bearings are the least frictional and wears, thus ideal for BMW 330i GT xDrive to deliver its performance. With a rocker ratio between 1.5:1 and 1.8:1, this part increases lift on the camshaft which adds to capabilities of the engine even more. High RPM engines have new fulcrum bearings to substantially increase the stress level that the Rocker Arm can bear, and thus contribute to the dependability of the BMW 330i GT xDrive. Crossover design ability with 330i GT xDrive series means the Rocker Arm can maintain performance with most any car in the set. Besides, is the Rocker Arm a very important component which contributes both to the power and to the safety of the BMW 330i GT xDrive making the vehicle very efficient and safe for driving. The Rocker Arm stands out for its special features, the least of which is the reduced weight of the component combined with the use of superior materials, which allows it to be viewed as one of the keys to the BMW 330i GT xDrive automobile.
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