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E63 / E64 6 Series (2003 - 2013)
The E63/E64 BMW 6 Series builds on BMW's sporty heritage with aggressive lines and an incredible motor to back the design up. Available in coupe and convertible trims with a standard 4.8 liter engine producing 360 horsepower and 360 lb-ft of torque, the 6-series is a popular choice that exceeds expectations.

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  #1  
Old 11-23-2010, 03:32 AM
ruski83 ruski83 is offline
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BMW 650i convertible top will not open

hello everyone i am new to this thing so do not judge too hard. Anyways i have a 2007 bmw650i convertible, which i had for 3 years now. so far this car was nothing but good to me. well yesterday i tried putting my top down and half way thru it gets stuck. i mean the cover for the boot will not even open. please help me if you now what the problem is. thanks in advance
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  #2  
Old 11-23-2010, 06:28 AM
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pablo645 pablo645 is offline
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Quote:
Originally Posted by ruski83 View Post
hello everyone i am new to this thing so do not judge too hard. Anyways i have a 2007 bmw650i convertible, which i had for 3 years now. so far this car was nothing but good to me. well yesterday i tried putting my top down and half way thru it gets stuck. i mean the cover for the boot will not even open. please help me if you now what the problem is. thanks in advance
Please search the forum. There have been numerous posting on this issue. Did you do this while the car was running or off? The top movement is a big battery drain if the car is not running. Also, you may have a sensor issue. Have you tried moving the back widow? Did the back window go all the way down when you first open the roof?
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  #3  
Old 11-23-2010, 09:43 AM
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Leslierc Leslierc is offline
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My money is on it being a faulty sensor. You're still under warranty; so, other than the hassle of taking the car to the dealer it's fixable.
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  #4  
Old 12-19-2010, 10:13 PM
brown370 brown370 is offline
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Did you get you top fixed? My 645 had the same problem and I took it to United BMW Atlanta to have the angle rotation sensor replace and was quoted under $380 to replace it. They ended up replacing both upper and lower sensors at $750. After being told my car was ready and to pick up my car at the cashier after the wash. The top started opening on its own. They kept my car for four days before I had to pick it up to drive to Dallas for vacation. They disabled my top, rear window and trunk until I could bring the car back upon my return. I dropped my car back off to BMW two weeks ago and no call from BMW yet. I have been driving a loaner 2009 BMW 328 four door while my car is in the shop and I miss my car. Hopefully they will figure it out soon.
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  #5  
Old 12-19-2010, 11:34 PM
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ICohen424 ICohen424 is offline
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This happened to me on my way home from the dealer just after they closed . I called the salesperson on his cell phone and he told me to go to any shop and have the battery charged.
20 minutes later my top was working like new and havnt had a problem since.

Charge it up!
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  #6  
Old 12-20-2010, 11:24 AM
brown370 brown370 is offline
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Cool thanks! I will let them know to try this to see if it works.
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  #7  
Old 12-21-2010, 10:51 AM
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E92-Lighting E92-Lighting is offline
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this is a known issue
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  #8  
Old 12-22-2010, 10:08 PM
brown370 brown370 is offline
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I got my car back today and the frame had to be modified because it was reading the wrong segment according to SI B54 17 06 Special Roofs (Convertible Top Does Not Completely Open or Close). Everything seems to be working fine now.
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  #9  
Old 02-26-2011, 06:31 PM
BimmerBoy27 BimmerBoy27 is offline
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How did they modify the frame?
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  #10  
Old 02-26-2011, 08:44 PM
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Yorgi Yorgi is offline
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Originally Posted by BimmerBoy27 View Post
How did they modify the frame?
Here is a link showing the TSB with pictures of the modification. 6 Series Top Unlocked TSB.
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  #11  
Old 02-27-2011, 01:33 PM
BimmerBoy27 BimmerBoy27 is offline
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I'm a BMW Tech and I have a 650i now that is doing the same thing. Main pillar sensor was reading the wrong segment causing the top to get stuck midway. Replaced and modified sensor top work then but after sitting overnight the top do the same thing. After modifications it work but then stop working. Car been in shop now going on two weeks. Just a piece of crap design. Just wondering did you have acutual pictures of your car.
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  #12  
Old 02-27-2011, 05:07 PM
brown370 brown370 is offline
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Sorry I don't have pics the work was done at the dealer.
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  #13  
Old 02-27-2011, 07:58 PM
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Yorgi Yorgi is offline
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Quote:
Originally Posted by BimmerBoy27 View Post
I'm a BMW Tech and I have a 650i now that is doing the same thing. Main pillar sensor was reading the wrong segment causing the top to get stuck midway. Replaced and modified sensor top work then but after sitting overnight the top do the same thing. After modifications it work but then stop working. Car been in shop now going on two weeks. Just a piece of crap design. Just wondering did you have acutual pictures of your car.
Not very encouraging when even a BWM tech can't fix this on his own car.
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  #14  
Old 02-28-2011, 08:24 AM
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pablo645 pablo645 is offline
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Quote:
Originally Posted by Yorgi View Post
Not very encouraging when even a BWM tech can't fix this on his own car.
Makes you wonder
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  #15  
Old 02-28-2011, 09:55 AM
brown370 brown370 is offline
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From what I was told by a BMW tech, the top is a good design, but the sensors are to sensitive and often fail after 4-5 years. I recommend if you have a problem with your top to have it documented/fixed before your warranty expires. Also, if they have to replace the sensors; have them change them all why they are in there.
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  #16  
Old 04-05-2013, 01:18 PM
markbrick markbrick is offline
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Top stuck halfway

Thanks for this forum. On my BMW 650ci it would go half way and I would hear it trying to no avail. Then I read someone replaced their battery and it worked. Then I went out and tried it while reving the car to 2400 rpms. It worked that time. It probably is the battery but it fixed the issue today and I was able to enjoy the 75 degree sunny day!
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  #17  
Old 02-10-2014, 07:47 AM
my_biz my_biz is offline
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Mein Auto: 2006 BMW 650i
2009 Convertible Top Sticks Half Way

I have a 2006 BMW 650i and have just experienced the top sticking half way a few times. This happened in late fall in 2013, so I haven't missed having the top down this winter, but need to resolve before Spring.

I've read these posts and will check out my battery, and if not solved there, will take in to dealer for sensor check.

Thanks for the information from similar owners with the same problem! Keep the posts coming!

Mike

Last edited by my_biz; 07-03-2014 at 02:23 PM.
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  #18  
Old 02-10-2014, 08:02 AM
tampamark tampamark is online now
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I applaud you for searching and reading, you are a step ahead of most!!!

Here is the correct thread you should be viewing though, if this happens again apply the Boesman Push as outlined in the thead below. I linked you directly to the 5th page of the thread, scroll down to #120 and you will see what I am referencing.

Hopefully that will get you "out of the weeds" should this happen again. In the meantime go for that sensor modification per the TSB like you are planning.

http://www.bimmerfest.com/forums/sho...an+push&page=5
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  #19  
Old 07-04-2014, 06:54 AM
my_biz my_biz is offline
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Cool Convertible Top alarm code freezes windows and trunk

Thank you. I've used this solution several times, and it works. Yesterday convertible top of my 650i was stuck in locked down position, but alarm code thought it wasn't locked. Windows down half way and no access to trunk because of this alarm code. Nothing I tried worked, so I referenced Bimmerfest and threads about the 650i convertible top alarm code. Two things I tried I believe are worth noting: 1) touch the sensor areas, and 2) revved motor until I felt battery had extra juice. I did both and top alarm was solved and I was able to lower my top for a nice ride around town. Tried up and down three more times that night, and no problem. Since I tried both solutions (sensor touch and battery), I'm not positive which did it, but I know that sensor touch (see post with pictures) has worked before. thanks for posting these solutions and saving me a trip to the dealer!!!
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  #20  
Old 07-04-2014, 12:17 PM
sentrex sentrex is offline
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Quote:
Originally Posted by Yorgi View Post
Not very encouraging when even a BWM tech can't fix this on his own car.
ditto on that comment
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  #21  
Old 07-08-2014, 05:17 PM
acmrph acmrph is offline
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Hello all - My 1st post, and I'm asking for help! I've been a member for a while, and read lots of posts about the 650i..
Been up and down this road as many 650i owners have been with the CONSTANT roof issues.
Since I bought my 2010 650i, it has been to the dealer for roof issues, mainly "top not locked", more times than I can remember,
most recently this past May for another episode of "Convertible Top Not Locked". I have had service appointments where the
adviser tells me "the techs couldn't find anything" or "they couldn't duplicate the issue" and sent me home.. and lo-and-behold,
the malfunction resumed later that day or the next. They have replaced the main pillar sensor and adjusted others in the past.
This May's service appointment, the angle of rotation sensor was the culprit, and duly corrected. Worked like a charm until
Sunday night....

I've done my research.. I've combed the forums and threads and Mr. Google.. I've learned (and used) all of the "tricks" (thanks
boseman10) to get the roof to function normally.. but now i'm stuck and I'm reaching out for some guidance.. The problem now
is the rear deck will not open. The roof opens until the point where the rear deck has to open to allow the roof to retract. The
front of the roof lifts up to a 45 degree angle, and that's where it stops because the rear deck won't open. As I hold down the
button, I hear the motor trying but that's all. I can't seem to find any posts addressing this issue. Before I schedule ANOTHER
service appointment, has anyone else experienced this issue or can point me in the right direction?

Are there any BMW techs that may have an idea what isn't working properly? Probably another sensor, but I can't get the rear
deck to open for nothing. Thanks!
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  #22  
Old 07-08-2014, 06:35 PM
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Yorgi Yorgi is offline
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The "top not locked" issue is a problem with the sensor in the roof frame near where you do the "boseman push". This problem sounds like there is an issue with the top control unit, the release mechanism that locks the rear compartment lid, or the hydraulics.

There is probably a slight chance that the problem is the same sensor involved in the "top not locked" issue. I would guess if the roof control unit does not get the message from the "boseman" angle sensor that the roof is open to 45, it will not start the "open rear deck" routine. To test this I would have someone pull up and if that does not work then down a bit when it's at the 45 point to see if the rear deck starts working. If it does open after wiggling the roof then it's a problem with the boseman angle sensor or the other angle sensor down near where the roof attaches to the body.
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Last edited by Yorgi; 07-08-2014 at 06:40 PM.
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  #23  
Old 07-13-2014, 03:54 PM
ivy2006 ivy2006 is offline
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Worked for me too!



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  #24  
Old 07-13-2014, 04:45 PM
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TopDownInFL TopDownInFL is offline
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Quote:
Originally Posted by Yorgi View Post
the sensor in the roof frame near where you do the "boseman push".
I smile everytime I hear this. I remember when Boseman suggested it. Kinda like being a part of Bimmer history...

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  #25  
Old 07-14-2014, 03:38 PM
my_biz my_biz is offline
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Boseman Push

The Boseman Push works when your 650i convertible top sticks. I've noticed that hot sun does mess with the convertible top sensor. The alarm may pop on locking the windows, trunk and top, but once it cools - back to normal.
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