Quote:
Originally Posted by relaxinrob
I just fixed this issue in my 2008 X3. I added a tube of Lubeguard Instant Shudder Fixx to my transfer case. Then I took it to a grassy field and did tight figure eights with it 10 times. Then I drove it up onto the pavement and did another figure eight and the problem is GONE!!
Hope this helps some of you!! Cheers....
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Did you add a whole tube (2oz) or half? It recommends 1oz per quart of fluid. My 2006 BMW X3 was shuddering so bad (slippage) at low speed, but after I changed the transfer case fluid, shuddering reduced by 80%, but I still can feel it at slow accelerating from a stop. I think the friction disks are wearing out. Adding the friction modifier like LubeGuard would help.