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Transmission flange failing

1664 Views 12 Replies 4 Participants Last post by  vintage42
Hello! I just started replacing my guibo for my 99 z3 roadster, because of some clunking between 2 and 3000 rpm, and when I got the old guibo out I saw these chippings or whatever you might call it. The bolts holding the guibo were also kind of like this, looking like something had been rubbing on it, or chipping it or something. I really don’t understand what has happened. I find this super strange! Do anyone know what is happening and is there anything I could do against it, or should I just replace it?
Best regards Jon

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Yeah the guibo was torn to pieces, and the bolts look bad. And I just noticed where the drive shaft connects, it has the same markings. Pics below. Do you think I need to replace the whole driveshaft because of it?
Thanks,
Jon

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Ok, thank you for your help!
Do you have a recommendation to where I could buy a driveshaft? (I?m new to the bmw scene)
Thank you! I will try to get a new driveshaft so the car will be ready for when summer arrives!
.
, though I did not notice chippings or damage in your photos.
Ok I understand. This is the damage I?m talking about (pics below), and it makes sense that the bolts might do that.

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