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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 05-24-2016, 02:52 PM
Cash2274 Cash2274 is offline
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Location: Montgomery
 
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Mein Auto: BMW 330 ci
330ci convertible top gets stuck

Sitting in park, I push the switch, windows go down, top disengages 2-3 inches and them freezes there. I push the other switch, and it reengages, locks in place.

And yes, I have flipped the handle in the trunk into the correct position.

Any ideas to fix the problem? Broken wires??

Local shop quoted me a major overhaul for $1800. Don't want to go that route.

Cash2274
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  #2  
Old 05-24-2016, 04:50 PM
cvx5832 cvx5832 is offline
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Location: Walnut Creek, CA
 
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Mein Auto: 325Ci, 325Cic, C300
Quote:
Originally Posted by Cash2274 View Post
Sitting in park, I push the switch, windows go down, top disengages 2-3 inches and them freezes there. I push the other switch, and it reengages, locks in place.

And yes, I have flipped the handle in the trunk into the correct position.

Any ideas to fix the problem? Broken wires??

Local shop quoted me a major overhaul for $1800. Don't want to go that route.

Cash2274
It's the harness that folds above your head.
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  #3  
Old 05-25-2016, 06:31 AM
Cash2274 Cash2274 is offline
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the harness that runs on the left side of the conv top, over my head?
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  #4  
Old 05-25-2016, 07:09 AM
All2kool's Avatar
All2kool All2kool is offline
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Mein Auto: '02 BMW 325Ci Convertible
Quote:
Originally Posted by Cash2274 View Post
the harness that runs on the left side of the conv top, over my head?
That is the most likely culprit. Fondle it while trying the roof - sometimes you can make intermittent contact. Mine had a broken GREEN wire. In the video, he removes the 2nd clip. I found that it will slide down the loom with a little effort.


Last edited by All2kool; 05-25-2016 at 07:58 AM.
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  #5  
Old 05-25-2016, 08:03 AM
Cash2274 Cash2274 is offline
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Thanks very much for the video. Looks lie it'll be a Saturday AM project. I'll let you know how things go once I'm finished.
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  #6  
Old Yesterday, 01:04 PM
Cash2274 Cash2274 is offline
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Location: Montgomery
 
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Mein Auto: BMW 330 ci
roof opens up 2 inches and freezes

Well, checked the wiring harness as in the Youtube video --- no wires are broken, frayed, etc. All were in great shape.

Now what? Sounds expensive to me at this point.

Thanks for your help.
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  #7  
Old Yesterday, 02:38 PM
cvx5832 cvx5832 is offline
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For $1800 due diligence is paramount. Invest in a $30 reader like PA Soft and read the CVM codes. It will help you narrow down (or straight up identify) faulty sensors related to the folding top.

I find the top pretty reliable. There are known issues, sure, but nothing that requires "major overhaul".
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  #8  
Old Yesterday, 05:53 PM
All2kool's Avatar
All2kool All2kool is offline
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Quote:
Originally Posted by cvx5832 View Post
For $1800 due diligence is paramount. Invest in a $30 reader like PA Soft and read the CVM codes. It will help you narrow down (or straight up identify) faulty sensors related to the folding top.

I find the top pretty reliable. There are known issues, sure, but nothing that requires "major overhaul".
Just $22 delivered to your door.
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  #9  
Old Today, 05:53 AM
Cash2274 Cash2274 is offline
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PA Soft CVM code reader

Saw on the forum that while these devices are great, they work with Windows 7 or Vista. I have Windows 10. Saw that they don't even function with that.

What about an Inniva 3100 reader?
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  #10  
Old Today, 06:54 AM
All2kool's Avatar
All2kool All2kool is offline
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Quote:
Originally Posted by Cash2274 View Post
Saw on the forum that while these devices are great, they work with Windows 7 or Vista. I have Windows 10. Saw that they don't even function with that. What about an Inniva 3100 reader?
I found that the Driver for the USB Cable would NOT install on my Dell Windows 7 Laptop. It did install on my very old Gateway Windows XP just fine. My advice would be to purchase a cheap used Windows XP laptop off Craigslist for under $50.
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  #11  
Old Today, 07:32 AM
cvx5832 cvx5832 is offline
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Mein Auto: 325Ci, 325Cic, C300
Quote:
Originally Posted by Cash2274 View Post
Saw on the forum that while these devices are great, they work with Windows 7 or Vista. I have Windows 10. Saw that they don't even function with that.

What about an Inniva 3100 reader?
I doubt it. I looked and it's a plain Jane obd code reader. You need the read the CVM, which is out of the OBC scope.
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  #12  
Old Today, 07:36 AM
cvx5832 cvx5832 is offline
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Location: Walnut Creek, CA
 
Join Date: Jan 2009
Posts: 947
Mein Auto: 325Ci, 325Cic, C300
Quote:
Originally Posted by Cash2274 View Post
Sitting in park, I push the switch, windows go down, top disengages 2-3 inches and them freezes there. I push the other switch, and it reengages, locks in place.

And yes, I have flipped the handle in the trunk into the correct position.

Any ideas to fix the problem? Broken wires??

Local shop quoted me a major overhaul for $1800. Don't want to go that route.

Cash2274
Also look into the elephant trunk to the boot and see if your frayed wires are in there.

Good luck. Try these solutions first before leaping into an $1800 bill.
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