2005 E91, PDC Problem - (idrive)

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  1. 2005 E91, PDC Problem - (idrive) 
    #1
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    I have just bought an E91 with PDC.

    One of the front ultrasonic sensors appears to be missing (might have fallen behind the bumper).

    In use, there is a just long (loud) continuous high pitched beep. When you get into the 'red' zone, the tone alternates between a lower and high pitched tone.

    Is this how it is supposed to work? I appreciate there must be a fault with a missing sensor - just not sure if the tone thing is correct. It sure is loud and distracting. Can it be turned down ?

    Thanks
     
     

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    Is this when you first turn the ignition on?
     
     

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    Quote Originally Posted by mark4 View Post
    I have just bought an E91 with PDC.

    One of the front ultrasonic sensors appears to be missing (might have fallen behind the bumper).

    In use, there is a just long (loud) continuous high pitched beep. When you get into the 'red' zone, the tone alternates between a lower and high pitched tone.

    Is this how it is supposed to work? I appreciate there must be a fault with a missing sensor - just not sure if the tone thing is correct. It sure is loud and distracting. Can it be turned down ?

    Thanks
    Shouldn't work like that. It will have an intermittent tone from green to yellow and then a continuous tone when it goes from yellow to red. Sounds like your missing sensor is giving you problems. Reverse sensors should be ok if you switch the front ones off.
     
     

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