540i thrust arm replacement

[quan325i]

I'm trying to replace the thrust arms on my dad e34 540i and everything went smooth until I tried to tighten up the bolt on the ball joint end. The ball joint kept spinning. Is there a trick to keep them from spinning to I can tighten it up. To me, it's such a stupid design from Lemforder thrust arms. On my e30, there's a slot on top of the balljoint for you to use the wrench and stop it from spinning. Please help.

[BigKriss]

use a c clamp there.

[Tiger]

New thrust arm spinning at the ball joint? Sometime there is a slot where you can put a wrench on that ball joint shaft to keep it from spinning. Still, most new thrust arm ball joint should never move when you tighten it up.

[e34.535i.sport]

Defective Balljoint... Get a new one.

[quan325i]

use a c clamp there.

Thanks for the tip. I used a 5" C clamp and it worked beautifully.

QN