The BMW 428i xDrive Gran Coupe is among the models that has gained a reputation for being reliable and performing well, and this is through the Rocker Arm part. In the BMW 428i xDrive Gran Coupe model, the Rocker Arm delivers the motion from the pushrod to the intake & exhaust valves, making the engine as efficient as possible. Made of stamped steel or aluminium the Rocker Arm ensures the right shaft movement that would effectively push the valves down, thereby increasing engine performance. The roller rockers with needle bearings lessen friction especially when the Rpm is increased and the rocker ratio adjusted to 1.5:1to 1.8:1 enhances the camshaft lift and increases performance. This is of particular importance to the BMW 428i xDrive Gran Coupe since it improves power while at the same time improving fuel economy. Also, the new fulcrum bearings for the high-RPM engines enhance the endurance and reliability of engines when exposed to stress. As for the BMW 428i xDrive Gran Coupe stylish lines, sporty roofline and a four door body add high practicality and comfortable seating to the car's list of features, which makes it perfect for small families. Stability control system is improved through the contribution of the Rocker Arm for safety thereby having a good braking system. Some of the features include the active cruise control and the advanced remote services, which make the BMW 428i xDrive Gran Coupe to be unique in the current market of vehicles and this makes the Rocker Arm to be a vital component of the car.
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