This BANDO Serpentine Belt is perfect for BMW 540i 740i 840Ci 4.4L and fits both driver and passenger sides. It is made of high-quality EPDM material and is a direct replacement for the Fan, Alternator and Power Steering systems. This belt has a lifetime manufacturer warranty and is a great choice for those looking to replace their worn-out serpentine belt.

The belt is compatible with various part numbers, including 640K7, 4070640, 5070640, K070640, and 7PK1625. Its placement on the vehicle includes the alternator, steering, fan, and power systems, making it a versatile choice. This BANDO Serpentine Belt is a must-have for anyone looking to maintain the performance of their BMW 540i 740i 840Ci 4.4L without worrying about the condition of the belt.

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