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Message: <blockquote data-quote="saz" data-source="post: 25051" data-attributes="member: 16181"><p>I notice that several thread has already discussing on this issue for eg: http://www.bmwclubmalaysia.com/forums/showthread.php?35970-Vibration-when-Hard-Acceleration/page2&highlight=long+shaft; car vibrating because of the long shaft component.I'm driving a 318 and recently replacing the multijoint part at front and rear side of the long shaft ini one of the Workshop in Setapak Indah. Can please someone verify, when the multijoint part (coupling) is injected to the long shaft (front and rear), does it need to be welded like in the picture. Is it normal that the parts has to be welded? <img src="http://[IMG]http://img852.imageshack.us/img852/3665/1002757g.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> Uploaded with ImageShack.us[/IMG]<img src="http://imageshack.us/photo/my-images/852/1002757g.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> <img src="http://[IMG]http://img837.imageshack.us/img837/4577/1002758pm.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> Uploaded with ImageShack.us[/IMG]<img src="http://imageshack.us/photo/my-images/837/1002758pm.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />I also notice the original long shaft (before i replace the multijoint) does not have any welding sign. Someone said that the part should not be welded because it will weaken the side (the side will become fragile), and the welding iron will effect the balance of the long shaft. Need help from brothers and sifus here.Thank you.</p></blockquote><p></p>

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