What's difference between 3.0 and 4.8 fan clutches? I wonder if the OEM fan is not spinning up on the top end? On some engines, I like to ditch the engine top cover. Better to hear a little more V8 power over heat collection.

Would a import "Radiator Fan Clutch 2595" work?

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'06 X5 3.0i - bought @143,123 miles (12/26/20)