1999 323ci Reversing sensor issues

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  1. 1999 323ci Reversing sensor issues 
    #1
    Bimmer Fan
    Car Details
    drifty is nifty's Car Details
    Model of Car:
    E46 323 ci 2.5
    Year of Manufacture:
    1999
    Transmission Type:
    Manual
    Car Body Type:
    Coupe

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    Jun 2011
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    Hey guys

    When I engage reverse I get a nice long beep for the revsing sensors however there is no futher beeps. I've had my dad walk behind the car and try to set off each sensor individually and nothing has worked.

    Just wondering if anyone knows what the issue is and how to possibly rectify it. I'd rather have some idea instead of poking my head into the electrics. Me and Elecktrikery don't go well, always end up with a large jolt and a flash of blue and a bout of perminantly spiky hair.

    also my drivers window winds itself down when i unlock the car using the key fob. any clues. may have a bit of a lemon here. or just a fun project.
     
     

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    #2
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    joe330d's Car Details
    Model of Car:
    330d
    Year of Manufacture:
    2002
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    saloom

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    derry
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    you have a faulty sensor. Stick car into reverse with ignition turned so that dash board lights up. do not start car. stick your ear to each sensor on bumper individually. If it doesnt make a faint clicking noise, then it is broken. I have same problem and found culprit. Theres a how to in 'how to guide' section. the coupe m sport is the worst as you have to remove rear bumper. I have a saloon 330d m sport and the guide says you just remove black strip from bumper and push sensor into bumper with your other hand to catch it and remove from wiring. Hope its that easy when i go to do it you'll get a sensor on ebay for £20, dont go to dealer, think they're £85. Hope that helps
     
     

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    #3
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    jamesb0nd's Car Details
    Model of Car:
    E46 318i SE
    Year of Manufacture:
    2000
    Transmission Type:
    Manual
    Car Body Type:
    Saloon
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    You'll probably find it's the sensor above the exhaust, if this is the case it's really easy to remove due to the cut-out in the bumper for the tailpipe. There are a couple of clips behind the bumper to release the plastic insert and the sensor will simply disconnect and push through.

    There are two different types of sensor. 2 pin and 3 pin, if buying from ebay make sure you get the correct one, I'm pretty sure yours will be a 3 pin but double check first!
     
     

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    #4
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    drifty is nifty's Car Details
    Model of Car:
    E46 323 ci 2.5
    Year of Manufacture:
    1999
    Transmission Type:
    Manual
    Car Body Type:
    Coupe

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    Jun 2011
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    Chester - le -Street, Durham
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    sorry for the tardy response, but thank you very much for your reply as soon as the weather clears (tomorow i hope) i will investigate.
     
     

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    #5
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    adamantia's Car Details
    Model of Car:
    320d
    Year of Manufacture:
    2006
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    Car Body Type:
    Touring

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    Seconded on the ticking noise check.

    Your window rolling down might be wiring shorts in the boot loom. Open the boot, find the rubber cover for the loom on the left side. Pull down the cover and check the entire length of the loom as they have a tendency to rub, expose the cores and short on each other. Causes all kinds of havoc.
     
     

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