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Discussion Starter · #1 ·
i recently started noticing that my temp gauge has been running extremely high, but it is only when i am in park or at a stop as soon as i start driving it will go back down. a freind who also has a bimmer said it was the water pump. any ideas??? please help before i blow a head gasket!!!!
 

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Check both fans: the electric auxiliary fan (most likely the culprit) and the engine-driven viscous clutch fan. A very quick check for the aux fan is whether it comes on when you turn on the A/C (it should). The engine-driven fan should turn with some resistance if you try to spin it by hand (with the engine off!) -- if it spins freely, it needs to be replaced.
 
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