What did it come in? I guess I should probably know the answer to this but I don't.
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I have never seen a 3,91 in a 325i Sport-- just in 325ix- and I did have a small housing 3,91 reg. sperre- but not sure what it came out of, kinda think it was a 318 wagon or some crap.
the 325i cars here had either the 3,64s-- early no cat cars- or the 3,73s(from what Ive seen anyway.Comment
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Some US cars came with them, I think it was some of the 325i verts or something, it's rare though in non viscous.
I have one :psigpicComment
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I think, small-case in 90-91 318i (non-is) and med-case 325ix1989 cirrisblau-metallic 325iComment
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not sure but it was definitely available in the US in LSD form for the e30.
Call Dan at diffsonline. Thats who I got my 3.91 from and he usually has all kinds of e30 diffs lying around new or usede30sport.net
'86 325es - s54b32tu - 6-speed - Mtech 1
'89 325is - m20b25 - 5-speed - Individual​
'06 M3 Competition - 6-speed
'19 Porsche GT3 RS - 7-speed PDK
'94 Lancia Delta HF Integrale EvoII - Giallo Ginestra
'97 Range Rover VitesseComment
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I believe you can find a 3.91 in a medium case. My guess would be an E34 6cyl model diff.
I went from a 4.10 in my 91 318is to a 3.73 and I think its perfect, what do you have now?
"Give me that money so I can give you that moneeeeyy..."Comment
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Kinda OT, is the stock 3.73 in a 325i medium case? Because my 3.91 is the same. I <3 it, one of my favorite, but most expensive parts.sigpicComment
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^Yes.Need parts now? Need them cheap? steve@blunttech.com
Chief Sales Officer, Midwest Division—Blunt Tech Industries
www.gutenparts.com
One stop shopping for NEW, USED and EURO PARTS!
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Large Case came in all US M5/M6.1991 318i Alpine II - S50/5-lug swapped - track carOriginally posted by BillBrasky
1989 325i Cirrusblau - Daily
1970 2500 - Malaga over Grey Cloth
2012 F350 6.7PSDComment
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Some E24 autos had 3.91s... I have a very nice, low mileage 3.91 open if anyone is interested...
Edit: This would be a medium case diff.'88 528e /// '88 M5 /// '89 951 /// '98 E430 /// '02 M5Comment
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4:10 is working on my nerves, speeding tickets and fuel!!!Originally posted by Julien View Post
3:91 LSD please, kthxbai.
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3.91 looks like a great compromise.
Mariano
2001 Titaniumsilber 540i Sport 6-Speed
1990 Diamantschwarz Alpha-N 2.5L ///M3
1986 Alpinweiss 325e M50B25 (R.I.P.)
-Talk to me when more sound comes from the induction than from the exhaust...
-Argentina........lo mas grande que hay.
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Originally posted by mikeedler View Post
I have 2 325i euro and they both have 4.10's in them. I have been checking the junk yards for a couple years and can only find 4.10's until yesterday found a 3.91 in an iX.
What is viscous and non viscous,? I never heard of this beforeOriginally posted by NicademusComment
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