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Can anyone advise on bolt diameter and collar length for rear rollbar links e21 323i?
I have two pairs, one pair on current car and one pair on my spare rear axle, but unsure which pair is correct for vehicle as there are differences in bolt diameter/length and collar length between pairs.
One pair looks to be M8, other M10, bushes seem correct on all.

ETK says M8x140mm

Thanks Jeroen, I also would like to know length of the spacer between bushes, even if just a rough measurement, I think someone has fitted nissan micra or similar links , spacer is only 10mm deep on m8 setup, and about 45mm deep on m10 setup...

You can still order all the bolts, spacers and bushes from the main dealer, might be easier (it's what I did anyway)

ok well I don't have stock setup on hand here but perhaps someone else can be of help