There is one more enlarged element known as the BMW 550i xDrive Rocker Arm that plays an important role of increasing the car's performance and dependability in the case of BMW 550i xDrive models. Intended to transmit the action from the push rod to the intake or exhaust valves, this component is made out of lightweight aluminum to increase its durability, and also to conserve weight. By use of the roller rockers with needle bearings, it is possible to reduce friction and wear, this is very important given that the BMW 550i xDrive is expected to perform impressively. These Rocker Arms have a quo of 1.5:1 to 1.8:1, which means these Rocker Arms increase the lift from the camshaft and therefore increase the efficiency and response of the engine. In the BMW 550i xDrive the Rocker Arm is a vital part in boosting the engine's performance of the car, turbocharged 4.4-liter V8 that delivers 400 hp and 450 lb-ft of torque. Also, the Rocker Arm is useful in enhancing the safety of the BMW 550i xDrive as it is involved with the high sophisticated stability and traction in the car. Other features like implementing improved quality of bearings in engines that operate at high revolution speeds improve the hardware's' durability; the Rocker Arm is therefore unique in the market. In conclusion, the BMW 550i xDrive Rocker Arm is crucial to maintaining the dependability and performance desired by BMW fans while providing the utmost protection.
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