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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 11-20-2012, 06:13 AM
hondo402000 hondo402000 is offline
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Frayed Tension Cords, Revisited

I read a lot of the threads on the frayed tension cords on our HTC and was wondering if anyone has attempted this repair on their own? and another question has anyone paid for the repair and its cost

Mind are frayed( the ones in the trunk)

thanks
Hondo
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  #2  
Old 11-20-2012, 01:05 PM
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CALWATERBOY CALWATERBOY is offline
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Quote:
Originally Posted by hondo402000 View Post
I read a lot of the threads on the frayed tension cords on our HTC and was wondering if anyone has attempted this repair on their own? and another question has anyone paid for the repair and its cost

Mind are frayed( the ones in the trunk)

Use Google to look for a DIY.

Or do your own - a low tech fix.
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  #3  
Old 11-20-2012, 01:49 PM
roadkillrob roadkillrob is offline
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Dealer did mine, but would do it myself if it happens again, looks relatively easy to do, but a bit tedious. I have not come across anyone posting up a DIY yet. I would just take lots of pics and if you have a nice dealer, ask them to print the instructions form the TIS system for you showing you how to install the replacement kit.

Rob
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  #4  
Old 11-20-2012, 01:50 PM
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Hondo:
PM Kat as she had her's replaced and was there while they did some of the work and talked to the tech doing it. From what I remember it was a huge pita even for them.
I had looked into higher strength cord as a material to replace what they were using but that idea slowly died.
I think Kat is the best resource on this one...
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  #5  
Old 11-23-2012, 03:22 AM
hondo402000 hondo402000 is offline
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I greased all the tops moving parts the other dayand kryloxed all the rubber seals, I also put some kylox on the tension cord that was frayed, maybe that will slow down the wearing, hopefully it will not degrade the cord, I think I might order the replacement cords just to see what they look like and decide from there what to do and also order a service manual, maybe that tells you how to replace them

Hondo
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  #6  
Old 11-23-2012, 07:54 AM
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fun2drive fun2drive is offline
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Please post the part numbers and if possible pics of what you receive. I think many E93 owners would benefit from that...
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  #7  
Old 11-24-2012, 11:00 AM
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MP3_E46 MP3_E46 is offline
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Can someone post a link to the DIY. I spent a while searching a while ago drawing a blank + just tried again with no luck. Likely I am using the wrong terms

Mine look fine but I'd like to see a DIY on how to replace them
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  #8  
Old 11-24-2012, 11:55 AM
hondo402000 hondo402000 is offline
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well I found out after talking to BMW dealer that I believe its called a Bowden Cable, PN 54377298066 and $52.32, not sure if its both sides or Each
but check out this web site the parts guy gave me

realoem.com

pretty great site for OEM BMW part numbers, not sure if this has been posted on the site, but maybe it can be put in the top list that always stays on the first page of the forum

Hondo
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  #9  
Old 11-24-2012, 12:33 PM
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Quote:
Originally Posted by hondo402000 View Post
well I found out after talking to BMW dealer that I believe its realoem.com

pretty great site for OEM BMW part numbers, not sure if this has been posted on the site, but maybe it can be put in the top list that always stays on the first page of the forum

Hondo
Real OEM is ok, but these days I much prefer this one http://parts.bmwofsouthatlanta.com. A friend of mine created the template, IIRC he only sells the site to one dealer per manufacturer.
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  #10  
Old 11-24-2012, 12:41 PM
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Nordic_Kat Nordic_Kat is offline
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Quote:
Originally Posted by hondo402000 View Post
well I found out after talking to BMW dealer that I believe its called a Bowden Cable, PN 54377298066 and $52.32, not sure if its both sides or Each
but check out this web site the parts guy gave me

realoem.com

pretty great site for OEM BMW part numbers, not sure if this has been posted on the site, but maybe it can be put in the top list that always stays on the first page of the forum

Hondo
Actually,
The part number according the the warranty paperwork when my tensioning cords were replaced is PN 54377277475 (Tension Rope, Internal Headliner).
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  #11  
Old 11-25-2012, 06:05 AM
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Quote:
Originally Posted by Nordic_Kat View Post
Actually,
The part number according the the warranty paperwork when my tensioning cords were replaced is PN 54377277475 (Tension Rope, Internal Headliner).
Part is $16.71 http://parts.bmwofsouthatlanta.com/p...rm=54377277475

Would love to see a DIY write up
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  #12  
Old 11-26-2012, 11:47 AM
hondo402000 hondo402000 is offline
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Well the question now is... the tension cord is it 2 separate cords per side, because thats what is appears to be to me. the one I am talking about starts in the trunk attached to the floor and comes out of a thin rubber tube and runs thru that metal loop, which is where it is fraying, and then the other end attaches to one of the side head liner pieces. if you stop the top half way when the trunk in in the up position you can see where it ends, Not sure but I then believe there is another cord that runs thru those side liner fabric pieces,

again not 100 percent sure

Hondo
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  #13  
Old 11-26-2012, 06:03 PM
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fun2drive fun2drive is offline
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I am sure once you figure this out it will help all of us. I don't operate my top that often but once I see the DIY replacing the tension cords I will be more inclined to do so.
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  #14  
Old 11-26-2012, 08:56 PM
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Quote:
Originally Posted by fun2drive View Post
I am sure once you figure this out it will help all of us. I don't operate my top that often but once I see the DIY replacing the tension cords I will be more inclined to do so.
Hey Fun2D,

Since my original post where I discovered my worn cords at 22 months of ownership, and the subsequent warranty repair, I've not lessened my top exercising the least little bit. The new cords are closing in on the age of the original equipment was when I noticed the failure and the new cords (ropes) show little to no wear.

IIRC, when I had my car in for the warranty replacement, the service manager (my former SA) immediately noted there was a TSB/SIB for the replacement on 2007-2009 cars. If you go back to my original thread on this Mace14 nailed it:

Quote:
Originally Posted by Mace14 View Post
I just checked on my '11 M3 and there has been a redesign using two different types of cords. The cord with the braided cover is still used to pull the soft portions of the roof liner into place on the two roof panels but these cords do not have a lot of tension on them. It appears to me that the soft braided cover is also intended to eliminate potential damage to the roof paint as there are two lines that rub along the painted edge of the rear roof panel during the fold/unfold operation.

The new part replaces the cord that goes from the bottom roof mounting in the trunk up through a couple of eyes to pull the hard plastic portion of the C-pillar into place. That's the one that is heavily frayed in Kat's pictures. This cord is under a lot more tension than the others which is apparently causing the torn covers and it's now replaced with a much thinner but apparently very tough cord without a cover on it.

When you get your cords replaced make sure that you get the new part.
I just reread through my original thread. Mace14 actually had a lot of good info with regard to cord pathway etc.

For reference: http://www.bimmerfest.com/forums/sho...cally+top+down
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  #15  
Old 11-27-2012, 03:38 AM
hondo402000 hondo402000 is offline
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I set up an appointment at the BMW Palace for Friday, 2 reasons, 1 is to fix my radio issue, suppose to have SAT radio and the AUX port doesnt work, 2- to check the frayed cables, I will make sure to tell them that I think there was a SIB for 2007-2009 cars and see if I can get it fixed for free, I could offer to pay for the parts!
I doubt I will tackle the replacement on my own, I would if I had a service manual, looks like a service manual is about 120.00

Keep you posted

Hondo
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  #16  
Old 11-27-2012, 04:14 AM
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OK, mine is a late model 2009. Likely that explains why the cords look fine
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  #17  
Old 11-27-2012, 02:34 PM
hondo402000 hondo402000 is offline
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the only thing I dont understand with BMW is they spent a LOT of time designing this top and all the intricrate parts and then put a 20.00 part in that wears out. They could at least put a minature roller in where the cord wears instead of that metal loop!

Hondo
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  #18  
Old 11-27-2012, 07:22 PM
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fun2drive fun2drive is offline
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I have the service manual and it doesn't say squat about this. So unless you are adventureous you are making the right call.
A better material for the cords would stand up to a lot of wear or use of a better load transfer mechanism would too...
Love to hear how this goes for you...
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  #19  
Old 12-03-2012, 06:37 AM
hondo402000 hondo402000 is offline
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Well dropped off the BMW at the palace today to have the tension cords replaced, will let you know how much it cost when I get the bill, Just didnt want to take a chance in messing something up

Hondo
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  #20  
Old 12-03-2012, 07:48 AM
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CALWATERBOY CALWATERBOY is offline
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Quote:
Originally Posted by MP3_E46 View Post
Part is $16.71 http://parts.bmwofsouthatlanta.com/p...rm=54377277475

Would love to see a DIY write up

Ha! Even at that price I cry: FOO! FOO! FOO!

Mr. beden1 allows as how some boots use the same cord as lacing. Why, for just $3 you can have same. A little USA 'Can-Do' and you got it- spankin' new cords + sa-mooth operation!
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  #21  
Old 12-03-2012, 07:53 AM
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Originally Posted by hondo402000 View Post
the only thing I dont understand with BMW is they spent a LOT of time designing this top and all the intricrate parts and then put a 20.00 part in that wears out. They could at least put a minature roller in where the cord wears instead of that metal loop!

Clearly you are not an engineer.

Once a thing is shown to work, it stays that way. Problems later? Diff solutioin? Wait! That was Not Invented Here.

BMW deliberated, what, 4 years to solve a painfully obvious HPFP problem. The fix was: Keep suction side pressure high with a small change in LPFP software coding.

Would be my pleasure to interview the bozos who strung that one along! Gotta wonder what it cost to recall & do hardware replacement; recoding.....and if those good folks are still employed....

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  #22  
Old 12-03-2012, 08:15 AM
hondo402000 hondo402000 is offline
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CALwaterboy, yes clearly I dont have a degree in Engineering but I worked for an Engineering firm for 15 years and managed engineers, and most couldnt solve a COMMON problem without getting their slide rule out.
as for the tension cords, I just got a call from the BMW palace and they finished replacing the cords and CAR Max paid for it too! Car Max, great service!

Happy Day!

Hondo
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  #23  
Old 12-03-2012, 08:33 AM
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Originally Posted by hondo402000 View Post
CALwaterboy, yes clearly I dont have a degree in Engineering but I worked for an Engineering firm for 15 years and managed engineers, and most couldnt solve a COMMON problem without getting their slide rule out.

What is a slide rule?

Is it like a Jedi sword?
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  #24  
Old 12-03-2012, 09:21 AM
hondo402000 hondo402000 is offline
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Cost to replace frayed tension cords,
$284.46, 2.5 hours labor and parts

so now you know

Hondo
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  #25  
Old 12-03-2012, 12:13 PM
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Originally Posted by hondo402000 View Post
Cost to replace frayed tension cords,
$284.46, 2.5 hours labor and parts

so now you know

"This stinks! This is total BS!" -- Bulldog Briscoe

Really, doesn't look difficult at all....ask them exactly what the procedure was. You may be surprised - post here!
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