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-   -   e30 diffs (http://www.maxbimmer.com/forums/showthread.php?t=132909)

clementine 05-07-2010 03:20 PM

e30 diffs
 
hey guys, just wondering if all 325s have an lsd. or do some come with an open diff. thanks.

matty.dc 05-07-2010 03:23 PM

i believe only the "is" comes with lsd and the rest are open...... i'm pretty sure the 325is is a 3.73lsd and the 318is is 4.10lsd

SamE30e 05-07-2010 03:32 PM

Most iS's came with 3.73LDS's but it was still an option (pretty rare) on non iS car's. You can tell by checking the metal tag on the bottom of the diff, it will say 3.73S instead of just 3.73.

325es's came with a 2.93LSD

InfiniteDice 05-07-2010 04:31 PM

Yes had two 325e's with lsd. The ratios are also different, the 'e' cars come with the better gears for fuel economy.

Ceeker 05-07-2010 04:40 PM

As far as I know all the Automatic 325i and 325is that I had came with 4:10LSD. Std 325i and IS had a 3:73LSD. some 318is came with 4:10lsd and some open. I think it was an option for 318is.

E30M42cab 05-07-2010 05:33 PM

All 318is have an 4.10LSD as far as I've ever heard.

clementine 05-11-2010 08:47 PM

what about the ix rear diff, lsd or open

Axxe 05-11-2010 09:05 PM

ix had a viscous lsd 3.91.

I still think I had the weirdest spec'd e30 out there. 4 door, auto, 3.73 lsd, sport seats, rear headrests.

clementine 05-11-2010 09:12 PM

what does that mean?

audi5000 05-11-2010 09:42 PM

out of all the rear ends, what one is best. pertaining to the track.

everlast 05-11-2010 11:29 PM

I also have an I with an optional LSD. I'd say a 3.73LSD or 4.10LSD would be best for the track, though guys with bigger power numbers need a 3.25 (created from other diffs) and some turbo guys run 2.93LSD.


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