View Full Version : 3.15 open m3 diff - e36
06-02-2003, 11:01 PM
Nothing wrong with the Diff about 65K miles on it. It is just taking up space in my garage. $250 obo
06-02-2003, 11:54 PM
hmmmmmmm, OPEN DIFF, whats that mean sorry, thats the OPPOSITE of a LIMITED SLIMP correct!
06-03-2003, 12:14 AM
Yes Open Diff means non LSD
07-03-2003, 09:13 PM
m3 never came with open diffs
07-03-2003, 09:20 PM
so what then its a LTD SLIP?!?!
if so, PM me i'd be interested!
07-03-2003, 09:25 PM
Well I am not gonna argue beyond what I know. I have a 3.91 diff on now and that is LSD, it locks up hard core. SO maybe it is LSD, with a less lockup.
07-03-2003, 10:11 PM
alright people help me out here, is there such thing as a 3.15 BMW open diff. m3 or not?!
07-03-2003, 10:30 PM
there is 3.15 LSD diff from 95 M3 also there is 3.15 non-LSD diff that came on standard 325i(s)
So if it came off his car it is non-LSD
07-03-2003, 11:11 PM
i see, so what, is the diff on my car 3.15 as well i have a 95 325i
07-04-2003, 12:18 AM
if it's 5 spd - yes
07-04-2003, 07:47 PM
So I'm confused, is this LSD or no?? I just want both my tires to spin!!!!
07-11-2003, 08:34 PM
alrighty guys. The diff is 3.15. It is an open diff, it may have 5-10% lockup, but it does spin inependantly.
Sickfinga - sorry man you are wrong. And open diff did not come standard on the 325.
my 325 had a 3.15 LSD on it before I replaced it with a 3.91.
This diff is an open diff, from an e36 m3.
all e36 diff's are transferable. The M3 has bigger anxle flanges tothe diff, however they can be swapped out.
If anyone out there needs a diff, here it is for ya...
I hope this clarifies things for some people?
07-11-2003, 09:46 PM
mrbobolina, ok lets rephrase that to LSD and non-LSD diffs.
1. E36 M3 never came with non-LSD diffs. E36 m3s came with 3.15 on 5spd and 3.23 on 5spd auto in 1995. In 1996-1999 they came with 3.23 on 5spd and 3.38 on 5spd auto. All those diffs are LSD.
2. E36 325 5 spd came with non-LSD 3.15 diffs as standard, e36 325/328 with AUTO gearbox came with 3.91 LSD diffs.
It is true all E36 diffs are transferable EXCEPT ti's.
07-11-2003, 10:07 PM
With that said... This diff is an open diff. it came off of an e36 m3. so it has the oversized m3 flanges for the axles. The gear ratio is 3.15.
07-11-2003, 10:15 PM
How can it be from e36 m3 if it never came on m3????
Unless owner of e36 m3 changed his LSD on non-LSD diff.
07-11-2003, 10:55 PM
That is a good question... I don't know. I only know the words to the song, not the actual notes...
07-12-2003, 04:33 PM
All I want is for BOTH tires to spin that's it!! The 3:15 is a bonus, but ALL I really want is just to have both wheels go rather then my stupid one going now!! So if this rear diff does that, then I WANT IT!!!!
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