roof not closing help! E46 323I 2000

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  1. roof not closing help! E46 323I 2000 
    #1
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    saj8162's Car Details
    Model of Car:
    323i
    Year of Manufacture:
    2000
    Transmission Type:
    semi-auto
    Car Body Type:
    convertible

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    Hi guys, New to the forrum!

    Just recently Brought a E46 323I CONVERTIBLE, on a 2000 plate W reg! Basically the other day weather was nice and i gave the car a good clean, put the roof down took some pics, went to put the roof up with the remote as it works off the key as well, back part lifted up hood come out lifted a bit then just stoped, i pressed it from inside nothing happened, if i press the close button it goes back in, then tried it again did it again, stil no joy, by this time im panaking as its about to rain and i havent got a garage to store it, so i quickly drive it down to the local garage, but the guys are busy, so theres me outside fidling with the button, opening the boot, checking the tray in the boot see if tht makes any difference, locking the car, opening it, alarming it etc, basically trying everything but still no joy, just get the button flashing but won't lift any highyer, then pressed it again and it lifted up and closed, what a relief! I havent tried opening it again as im scared might get stuck again, any idears what it could be? any1 know any1 who as experinced anything like this? or recommened any place i can take it to, so they can have a look at it for me! was fine before, only thing different i remember doing was, when i was cleaning it, put the light on to take sum pics, as its got angel lights on it, but surely that cudn't have affected it? as it started up fine, and i even tried closing it while engine was running! Anybody can please help ? would be much appreciated! thanks guys!
     
     

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    #2
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    There are several sensor/micro switches on a convertible. I think it may be one or more of them not responding.
     
     

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    #3
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    saj8162's Car Details
    Model of Car:
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    Year of Manufacture:
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    Do you know where they are located?
     
     

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    #4
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    Have a look HERE. Search for sensor (hall or otherwise) and micro switches in the various diagrams and part list.
     
     

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    Ronnie's Car Details
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    A good BMW specialist or main dealer will be able to read the body control module and tell you which sensor is at fault also

    And next time can you remember to include car details in the thread title as per forum rules
     
     

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    RobboSRT's Car Details
    Model of Car:
    635CSI
    Year of Manufacture:
    1984
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    Hiya mate,
    This could be a couple of things to be honest,and one of the guys has already suggested getting the codes read at a dealer,which isnt a bad idea!!!When this happens,can you hear the pump struggling to run or sounding noisy??If the pump is low on fluid,there will not be enough fluid pressure in the rams to lift the roof.If you take out the left trim in the boot,you can see the hydraulic pump unit,its held in with a 13mm nut on a side mounting.The pump unit has a foam padding around it,remove the padding and you will be able to see the fluid level.Ideally the fluid should be checked with the roof stowed away,i.e top down.There is a circle with a dot mark in the centre of it.The fluid level should be in the area of the circle.The CVM control unit which activates the roof is VERY sensitive to battery voltage!!Always try to use the roof when the engine is running.If the roof worked as you say,the fluid level should be ok.One of the main sensors on the roof is a position sensor which is located on the hinge mechanism on the passenger side hinge.It is easier to see this sensor with the roof open.This informs the control unit of the roof position.It will be very difficult to check the output of this sensor,but most of the time if they are faulty it is because they have been broken or PARTIALLY broken so that sometimes they will work!!!If the roof fails and you cannot get it to work dont panic!!!Just switch off the ignition and wait for 2mins.You will see the roof start to move as the hydraulic pressure is bled off,so if it stops when it was just raising it will go back down,some go down in stages others just go slow.When the roof is lifeless like this then you will be able to raise it completely and manually close it with the allen key which is under the back seat or in your tool kit.There is a unit under the rear seat which controls the rear flap,which also has a manual release button.If this button is pressed,the rear flap will then be released,so it too can be moved.I am working on one of these tomorrow,so I will take pictures,but there is an 8 hour time difference so it will be late when you get them!!!Let me know if you want them,but I will take them anyways,or if anybody else wants them I will post them for the Forum!!
    Cheers
    Robbo
     
     

  9. The Following 2 Users Say Thank You to RobboSRT For This Useful Post:

    Ronnie (08-11-2008),xXNealXx (08-11-2008)

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    Thanks Robbo, that is sound advice
     
     

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    That would be great if you could Robbo .........
     
     

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    #9
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    Guys,OK I have posted the pictures of the convertible parts in one of my albums.Let me know if you have any problems viewing them.Mods you can move/store/use these photos as you see fit.
    Hope somebody gets some use out of them!!!
    Robbo

    Pictures here http://www.bimmerforums.co.uk/forum/...php?albumid=48
    Last edited by Ronnie; 09-11-2008 at 13:32.
     
     

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    Ronnie (09-11-2008)

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    Great work Robbo, much appreciated
     
     

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    bmw my bitch (30-07-2011)

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