2002 E46 330i touring-Cooling fan coming on ramdomly

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  1. 2002 E46 330i touring-Cooling fan coming on ramdomly 
    #1
    Bimmer Fan
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    mrmarc's Car Details
    Model of Car:
    530i sport
    Year of Manufacture:
    2002
    Transmission Type:
    Automatic
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    Saloon

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    Hi guys,
    a little help needed if you will.

    ive not long purchased a 02 330i touring with 128k on the clock.

    Twice now after the car has been parked up after use(2hours approx) the radiator fan has kicked in full bore!

    both times ive stopped it by unplugging the fan connection and plugging it back in.

    im thinking a dodgy sensor might be to blame.

    Anyone have any idea what i should be checking.


    thanks
     
     

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    #2
    Bimmer Fan
    Car Details
    mrmarc's Car Details
    Model of Car:
    530i sport
    Year of Manufacture:
    2002
    Transmission Type:
    Automatic
    Car Body Type:
    Saloon

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    Location
    Bracknell
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    Forgot to add...
    i had a leak on the expansion tank which i swapped out with a new one from BMW.
    could it be ive not bleed it properly?.

    although ive checked the levels several times since filling up the system..

    a search has also lead me to a possible water temp sensor fault (cheap) or a fan module fault (not so cheap)....
     
     

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    #3
    BMW Crazed
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    renagademaster4's Car Details
    Model of Car:
    730i v8
    Year of Manufacture:
    1994
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    how is the temprature gauge reading ?
     
     

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    #4
    Bimmer Fan
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    mrmarc's Car Details
    Model of Car:
    530i sport
    Year of Manufacture:
    2002
    Transmission Type:
    Automatic
    Car Body Type:
    Saloon

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    Location
    Bracknell
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    bang in the middle.only time it went hot was when the expension tank cracked and i was sat in traffic with the aircon on and that was only for 40secs or so....
     
     

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    #5
    Bimmer Fan
    Car Details
    mrmarc's Car Details
    Model of Car:
    530i sport
    Year of Manufacture:
    2002
    Transmission Type:
    Automatic
    Car Body Type:
    Saloon

    Join Date
    Sep 2010
    Location
    Bracknell
    Posts
    28
    Thanks
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    Thanked 10 Times in 7 Posts
    anyone had this?.ive got a new coolant temp sensor on its way..its only 10 quid so worth trying first
     
     

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