2007 E90 320d, heated mirrors problem

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  1. 2007 E90 320d, heated mirrors problem 
    #1
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    nigel pilkington's Car Details
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    Hiya all
    My heated mirrors sometimes work & sometimes dont as winter is coming i need to get them working.

    I read on the forum it could be the sensors in the brake ducts can someone please tell me exactly where they are & on which side are they on so i know what i"m looking for when i take the wheel off.

    Or could it be something else.THX
     
     

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    I'm hoping this is a wind-up Why on earth would heated mirrors have sensors on the brake ducts
     
     

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    The outside temperature sensor is indeed related to the heated mirrors, it lives here.


    Be worth getting diagnostics performed to see if there is a fault with the sensor and if there are any fault codes relating to the issue.
     
     

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    nigel pilkington (01-11-2011)

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    Most people think it is broken, but Ronnie is correct. Ambient temp sensor controls the heat intensity of the mirrors dependent on the outside temperature.
     
     

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    nigel pilkington (01-11-2011)

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    #5
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    Quote Originally Posted by NealP View Post
    Most people think it is broken, but Ronnie is correct. Ambient temp sensor controls the heat intensity of the mirrors dependent on the outside temperature.
    I can relate to that but when brake ducts were mentioned by the op it threw somewhat
     
     

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    Just looked at an old thread on auto elec DX90 had problem with mirrors Barney3 suggested looking at sensors on brake ducts or cant i read.
     
     

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