Quote Originally Posted by Valdelisbmw
i dont think that bmw ever made medium case diff with E36 fitting with that ratio .only in small case diff.
I thought so too until I saw your ad for an e36 3.46 medium case LSD so figured there must be an open one too. Was it custom made?

What do I need to fit a small case 3.45 open diff from a 320i e36 on to my 323i? I'm looking to spend as little as possible as it's an experiment basically.