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Message: <blockquote data-quote="BMWsociety" data-source="post: 21267" data-attributes="member: 18737"><p>Hi all UDM sifus....seeking for your advise.My brother his E46 got overheat last week. The mech managed to find out that 1 of the termostat already failed. He replaced all the hoses (included the one at the back of the engine) , expansion tank and the termostat and now the radiator fan is not working. But if he turn onn the air cond the fan running per nomal. From my undertanding if the fan is really kong of coz if u turn onn the air cond it will not working as well right ( correct me if i am wrong :7: ). Even fan is not working but if he start the car and let it idle for 20 minutes the tempreture still at 1/2.How to check if the radiator fan is already KONG or not.......TQ</p></blockquote><p></p>