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arnbab

Temperature Gauge Drop Despite New thermostat

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arnbab   

Hi everyone, hoping someone may be able to shed some light on this. Bought a 2001 e46 330ci manual 114k.  Noticed the temperature gauge dropping from 12noon when driving. Will rise again if I sit stationary for 5-10mins, otherwise will sit just above the blue.  I had a look on the forums and saw about stuck open thermostat.

Had new thermostat done by my indy.  Still got the same issue....

Gonna give them a ring but any ideas what else may be wrong?  Cabin heat temperature also drops when the cluster reads that the engine temp is too low, then improves when rises if i sit stationary.  Other than that the car is running perfect. 

 

Thanks for any advice. 

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arnbab   

So it was the thermostat after all. The new one fitted was from eurocarparts and was faulty.  bmw supplied one put in and worked perfectly, temp gauge at 12noon and steady 

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