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E36 /7 Z3 (1996-2002)
E36/7 Z3 roadster and coupe talk with our gurus here.

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  #1  
Old 09-12-2013, 04:53 PM
M ROADSTER GUY M ROADSTER GUY is offline
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Z3 M Seat belt guide repair

I recently broke the seat belt guide attached to the rt. seat of my 98 Z3 M Roadster. I was aware that they are prone to failure and difficult to repair and or replace. I did try glue which generally works on plastic to no avail. I also purchased an OEM replacement part but after reviewing the difficulty of installation put that on hold. Two days ago, I read an ad for a space age glue that sounded promising. I used it today and couldn't be more pleased with the results. The glue sets up quickly and the joint appears strong if not stronger than the adjacent material. The glue is SI Blue from Tech Bond and it is identified as a "molecular bonding system". I purchased the glue from Dymond Modelsport USA [www.dymondusa.com], who offer a varirty of products mostly devoted to the radio contol hobby. I hope this info is helpful to others.
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  #2  
Old 09-12-2013, 06:23 PM
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vintage42 vintage42 is offline
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I sure saved this info. My guides have not broken, and are not likely to break now with the velcro bands around them. But this is the first practical repair that I have seen, just in case.

Last edited by vintage42; 09-13-2013 at 03:54 AM.
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  #3  
Old 09-12-2013, 07:30 PM
Blacklane Blacklane is online now
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Can you post a picture of the repair?
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  #4  
Old 09-13-2013, 08:50 AM
M ROADSTER GUY M ROADSTER GUY is offline
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Frankly, the repair left no visual imprint. As you are likely aware, the break usually occurs in the solid piece which attaches to the seat back and the break is generally obscured by the two somewhat overlapping pieces that form the seat belt guide. Seen from any angle there is no visual evidence of the repair and therefore a photo would not be helpful.
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  #5  
Old 09-13-2013, 06:26 PM
marty505 marty505 is offline
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I ordered some SI Blue just to have it around. A super glue that actually works sounds like a good thing.
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  #6  
Old 09-13-2013, 06:48 PM
postalZ3 postalZ3 is online now
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Quote:
Originally Posted by marty505 View Post
I ordered some SI Blue just to have it around. A super glue that actually works sounds like a good thing.
Where from? Can't find in the dymondusa site
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Old 09-13-2013, 07:10 PM
marty505 marty505 is offline
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http://dymondusa.com/category/ADH0/Adhesives/1.html
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  #8  
Old 09-13-2013, 10:19 PM
Bucko521 Bucko521 is offline
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Thanks for the heads up on this glue.
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  #9  
Old 09-14-2013, 08:33 AM
M ROADSTER GUY M ROADSTER GUY is offline
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Dymondusa web site

Since I had noticed the ad for SI Blue by Tech Bond in a radio control mag and then contacted Dymondusa via phone for more detailed info, I hadn't used their website to place my order. I did check their web site to assure the product was listed [along with a host of other Tech Bond offerings] and found it under "adhesives'. By the way a 1oz. bottle is more than ample for most applications and has a long shelf life when kept refrigerated after opening.

If any other questions arise I will try to respond, and for the record, I have no personal interest in Dymondusa but have found them a reliable and responsive vendor in the past.
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Old 09-18-2013, 03:51 PM
AB1945 AB1945 is offline
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I did a quick fix of the seatbelt guide using Velcro. Bought a 4" wide piece from http://www.ebay.com/itm/170995024591...84.m1497.l2649

It does the job. I had to trim it down a bit and push it to the top of the guide. If it goes to the bottom of the guide it will stop the belt from retracting.
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  #11  
Old 09-18-2013, 05:09 PM
M ROADSTER GUY M ROADSTER GUY is offline
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I had initially repaired my broken guide in a similar fashion but thought I would give the glue from Hi Tech a try, as it seemed a neat and secure glue joint would be a more permanent solution.
Frankly, it took less than a minute or two to apply, and for the glue to set up, and the result was truly surprising. You may want to consider the same at some point, particularly if you decide to sell the car.
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  #12  
Old 10-15-2013, 01:31 PM
CTHuskyinMA CTHuskyinMA is offline
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Curious to know how this glue is holding up? My seatbelt guides are in pieces and I'm trying to avoid the "real" repair of removing the seat skins.
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  #13  
Old 10-15-2013, 05:38 PM
M ROADSTER GUY M ROADSTER GUY is offline
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I am pleased to report that the seat belt guide repair using the Tech Bond glue appears to be holding up particularly well. The glued break in the guide shows no sign of weakening and I'm optimistic that the problem is solved. Since making the repair, I've used the same glue in other applications involving plastic materials with equally impressive results.

You mentioned having a number of breaks in your guide which might make it more difficult to achieve a strong and neat repair. I would suggest laying a strip of fiberglass cloth across the joints to strengthen them although that would require sanding or otherwise smoothing the repair to avoid abrading the belt. Just some thoughts for your consideration!
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  #14  
Old 03-28-2014, 08:39 AM
SounderMN SounderMN is offline
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I know this is an old thread, but a great solution to a common problem. Thanks for sharing! I've ordered some of this glue. I'll post back when I get it and see how it works. If it works, it's awesome! I looked at 8 or 10 different cars before I bought the one I have. All had the same problem, so it's quite common.
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  #15  
Old 03-28-2014, 09:19 AM
Wertles Wertles is offline
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It is not hard at all to replace the guides. First seat took an hour. Second 45 minutes. By the time you do the "repair," you could have done the job the right way and not have to worry about it. At least until the new plastic gets old. Use this thread.

http://forums.bimmerforums.com/forum...at-belt-guides

Also a good time for the seat tilt mod and bushing replacement.

http://www.bimmerdiffs.com/collections/z3-products
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Last edited by Wertles; 03-28-2014 at 09:22 AM.
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  #16  
Old 04-07-2014, 10:56 AM
someguy1313 someguy1313 is offline
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i'll give that a shot. thanks.
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