The BMW 640i xDrive Gran Coupe Rocker Arm is an extremely vital part that transforms the performance, and durability of the BMW 640i xDrive Gran Coupe series. This Rocker Arm effectively controls the motion transfer from the pushrod to the valves of the intake and exhaust for the engine. Made of such materials as stamped steel or aluminum the Rocker Arm is used to translate the required downward force to open the valves increasing thus the efficiency of the engine. Roller rockers with needle bearings help to reduce friction scenarios and hence serve as the reason for the longevity of the vehicle in discussion, the BMW 640i xDrive Gran Coupe. The rocker ratio vary between 1.5:1 and 1.8:1; this part boosts camshaft lift and in result, the performance of the vehicle's engine. For this reason, the BMW 640i xDrive Gran Coupe Rocker Arm fits different models, to enable drivers to fully enjoy their vehicles' performance. Moreover, the latest engines with higher RPM have better pullover fulcrum bearings to be able to endure and sustain the surface stress giving more credibility to Rocker Arm's reliability. The integration of this component helps to improve the performance significantly and at the same time, helps in the provision of safety since the running of the engine is optimized. As one of the exciting and exceptional features together with a solid construction, the BMW 640i xDrive Gran Coupe Rocker Arm poses itself as an addendum to the prime features oozing from the BMW 640i xDrive Gran Coupe.
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