E30 LSD 325is

Does a 1990 325is auto have a LSD or open? non convertable. It is a 4.10 but not sure if LSD or not.
Somebody once posted a list of all years of E30 and the gearing and if LSD
or not. Anybody still have that?
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they'll know.
Pretty sure your 325 isn't a 4.10 too, but I'm not an expert. But most iS's had LSD I believe.
Anyway ask in that group, that's where the experts hang out among other places.
-Russ.
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Somebody wrote:

Either version can have them, or not. They were standard in some "is" cars, but not all years. Many non- "is" cars had them too. The way to tell is to look for an "S" on the diff case. To get under there you probably have to jack up the car anyway, in which case you can just turn one of the rear wheels. If the other one turns the same way instead of opposite, you have a LSD.
Matt O.
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Matt O'Toole wrote:

have LSD.
--
Rob Munach, PE
Excel Engineering
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they'll know.

Same question, out of interest, would that work if the LSD was viscous instead of plates?
-Russ.
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Somebody wrote:

would be able to rotate the wheel a few turns or so until the fluid heated and locked up.
--
Rob Munach, PE
Excel Engineering
  Click to see the full signature.
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they'll know.

Does the same vs opposite test doesn't work for viscous LSD's? Not than a iS would have one unless it had been swapped in of course. For example to get a 4.10 ratio from an iXA.
-Russ.
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wrote:

The 89 and 90 automatic 325is came with a 4.10 LSD. The 87 and 88 325is automatic had the 3.73 as did all the 5-speeds.
Randy 89 325is http://home.earthlink.net/~randylwalters /
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