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Q: noise from hood or engine on 2005 BMW 525i

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
i just bought a 05 bmw 525i which has 110000.00 mile there is no problem except there is hard noise form the hood when i am driving the car , just wondering its because of HP or there is something wrong with my car
(1) Answer
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It could be many things, unfortunately and without experiencing the problem first hand or being able to do some basic diagnostic tests its hard to say. Your car uses a fan clutch that locks up when the gel in the hub senses heat, when it locks up it cools the coolant in the radiator, as the radiator cools down the gel contracts and allows the fan blades to disengage. If the fan clutch fails to disengage it makes a strong noise as it is working all the time. As I say could be anything get it checked in case it is something serious.