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E46 Convertible
The E46 vert forum. Talk about dropping your E46 top here.

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Old 07-13-2009, 11:41 AM   #1
gphillips
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Convertible roof - Front clips banging down

My convertible roof has just started making a bit of a noise as I close it, although it appears trivial I justed wanted to ask other "vert" owners if this is usual.

The action all the way open and close is smooth, and there are no worrying sounds at all. All the way open and close the roof looks to move "square" and isnt tilting or leaning one way or the other as far as I can see, but I think the front left (passenger side in the UK) metal catch isn't quite as perfectly aligned as it was and you can hear the Pin hit the edge of its target hole as the final movement of the front of the roof occurs. The pins then all pull tight and the roof closes perfectly.

This has just started making this "clunk" noise, so as I say the alignment probably insnt as good as it was.

Is this a cause for concern? DO other people find that these metal pins hit the edjes of the hole before finding centre?

Thanks
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Old 07-13-2009, 12:39 PM   #2
i_ween
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I haven't heard that on my '02 vert. But, you might lube the hook and latch. Silicone grease of some sort might help...
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Old 07-13-2009, 12:48 PM   #3
gphillips
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Originally Posted by i_ween View Post
I haven't heard that on my '02 vert. But, you might lube the hook and latch. Silicone grease of some sort might help...
Thanks, I tried that but it doesnt make a difference. There isnt an issue with lubrication, just that metal on metal makes a noise before the pin and hook slip into place. I wonder if the roof is slightly too far forward or back at that side? Probably safer to leave it alone, I guess it might "go away" as quickly as it started !

Im just a bit of a perfectionist and I dont like this noise much !
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Old 07-13-2009, 03:07 PM   #4
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Originally Posted by gphillips View Post
Thanks, I tried that but it doesnt make a difference. There isnt an issue with lubrication, just that metal on metal makes a noise before the pin and hook slip into place. I wonder if the roof is slightly too far forward or back at that side? Probably safer to leave it alone, I guess it might "go away" as quickly as it started !

Im just a bit of a perfectionist and I dont like this noise much !
Not sure what to tell you. You could always take the latches apart and put them back together. Maybe they got a little out of whack? Sometimes just taking thengs apart and putting them back together re-aligns things.
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Old 07-14-2009, 02:56 AM   #5
gphillips
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Its possible that my hood is just dropping a bit too quickly before the clips are pulled into position and that is why it is clattering off the lock mechanism.

It is either a slight alignment issue, or it isnt supposed to drop quite that low at the front until the very final movement which is for the locks to pull tight.

Can anybody else advise?
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Old 07-14-2009, 08:22 AM   #6
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We need a convertible section of the forum...
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Old 07-14-2009, 12:04 PM   #7
BavLar
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Judging from how gravity slams the roof down after passing the 12:00 position, while closing the hatch and lowering the rear of the roof, I would not be surprised to experience alignment issues.
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Old 07-14-2009, 12:29 PM   #8
gphillips
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Originally Posted by ctrog330 View Post
Judging from how gravity slams the roof down after passing the 12:00 position, while closing the hatch and lowering the rear of the roof, I would not be surprised to experience alignment issues.
your right, and you have a point - I probalby just need some alignment or tension adjustment. the roof is slightly too far to the right side (drivers side in UK) so that the passenger side locking hook hits the little metal roller inside the mechanism on the top of the window.

I have searched for hours and I cant find a service manual or guide to adjustments, but I know there are many adjustments that can be made, and this is surely one of them.
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Old 07-14-2009, 12:33 PM   #9
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Originally Posted by ctrog330 View Post
Judging from how gravity slams the roof down after passing the 12:00 position, while closing the hatch and lowering the rear of the roof, I would not be surprised to experience alignment issues.
I think I've posted about this long ago, but I hate how gravity drops the roof down after the 12:00 position so it's always been a habit of mine to use my hand and guide the top down slowly so it doesn't drop and bounce at that point in the sequence.
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Old 07-14-2009, 12:33 PM   #10
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Originally Posted by i_ween View Post
we need a convertible section of the forum...
+1!!
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Old 07-15-2009, 12:21 PM   #11
gphillips
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Ok so my roof finally stopped working today and wouldn't close. NOT good! I drove to a friends house for some help and we noticed the problem, and the cause of my initial "alignment" problems.....

On the left side (passenger side) the retaining bolt which holds the entire roof frame to the anchor had worked its way out, and was causing the roof to pull to one side, eventually it came out enough that it jammed the mechanism.

I have manged to get it most of the way "home" again so the roof will operate again, but it will not go fully in - probably becuase the threads have been damaged.

Would anybody know if this part is available? It appears to be literally the main bolt that holds each side of the roof, and is the point at which it pivots and moves. Its black, with a torx head.
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Old 07-15-2009, 12:28 PM   #12
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Try this link

http://www.realoem.com/bmw/showparts...73&hg=54&fg=10
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Old 07-15-2009, 02:00 PM   #13
i_ween
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Originally Posted by gphillips View Post
Ok so my roof finally stopped working today and wouldn't close. NOT good! I drove to a friends house for some help and we noticed the problem, and the cause of my initial "alignment" problems.....

On the left side (passenger side) the retaining bolt which holds the entire roof frame to the anchor had worked its way out, and was causing the roof to pull to one side, eventually it came out enough that it jammed the mechanism.

I have manged to get it most of the way "home" again so the roof will operate again, but it will not go fully in - probably becuase the threads have been damaged.

Would anybody know if this part is available? It appears to be literally the main bolt that holds each side of the roof, and is the point at which it pivots and moves. Its black, with a torx head.
At this point, just call the closest dealer. That bolt shouldn't be more than a few quid...
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Old 07-15-2009, 03:43 PM   #14
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Originally Posted by TKC View Post
I think I've posted about this long ago, but I hate how gravity drops the roof down after the 12:00 position so it's always been a habit of mine to use my hand and guide the top down slowly so it doesn't drop and bounce at that point in the sequence.
i do the same thing.
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Old 07-15-2009, 03:44 PM   #15
gphillips
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Thanks, I guess the bolt I need goes around the number 20 somewhere, as it interects all of the various pieces of moving parts I think, and holds them all to the anchor on the car. Oddly this doesnt seems to be shown as a part.

I cant see it on the diagram (above) and my dealer says it isnt showing as a part. BUMMER ! what am I going to do now!

Last edited by gphillips; 07-15-2009 at 04:05 PM.
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Old 05-26-2010, 12:06 PM   #16
gphillips
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I should of updated this long ago - sorry!

I never did find this bolt. I went to a scrap yard for one, but all I could find was a facelift model - and on the facelift the bolt doesnt appear to be a bolt at all, instead its a pin of the same diameter whos head sits flush and doesnt look like it would come out easily, and wouldnt transfer to a pre-facelift.

I never did find the bolt, a local back street garage "made" one that does the trick, and padded it out with some tube washers to be the correct diameter. Ive always been worried that it would fail, but so far it has held out.

Never did find the bolt, and BMW say it cannot be ordered.

If anybody else had a similar experience Id be interested.
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