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Hi, I am looking for advice on fitting 17' inch rims on my 1981 323i. I know many have fitted 17's before, however I was wondering what width and ET can fit with no real problems. I have GAZ coil overs all round and currently have 15 inch replica Alpina's. Any advice would be welcome. I don't mind a bit of a stretch on the tyres but nothing to silly. Gaz

Not a fan of 17's on e21's.
15's and 16's fit better I feel.
It's hard to say but on here somewhere there's a guide to et,what I normally do is ask people who have the set up you like or close and ad a inch or take a inch,like ask what there measurements are and use of adapters if any

I also would like to know what size rims and offset you can go upto and with what tyre size