Just tried to replace the diff on my '90 318iS (lasted 182k, not bad)
with one from a '90 318i (didn't see the donor car in person I might
add). The bolt patterns where it connects to the subframe are different
on the new diff.

Now my parts CD only shows one design of subframe and the new diff has a
similar 4.10:1 ratio, so it's not from a 325i or anything. I'm wondeing
if it's from a 518i?

Can someone confirm that all E30 diffs have the same mounting points to
the subframe?

--
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