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From Wed Oct 30 08:58:48 1996
Subject: limited slip differential...
Date: Wed, 30 Oct 1996 08:57:46 -0800 (PST)
From: "Dale Beuning" <>
Cc: ()

There are two ways of determining if you have a LSD. First jack up the rear of the car, with the shifter in neutral and the parking brake off, be sure to block the front wheels. Spin one of the tires by hand and observe the opposite side. If it spins in the same direction, you have LSD, if it spins in the opposite direction, you have an open differential. The second way is to crawl under the car and look at the tag on the rear passenger side of the differential. If there is an S in the numbers, it is limited slip.

good luck,
Dale Beuning

> Dear Sir,
> I have enjoyed the tips shared by your contributors for awhile now and
> have finally mustered enough bravery to write your forum to ask a
> question. I am the happy owner of a 1989 325i with the so called M3
> package. My question is: how can I determine if my car is equipped with
> a limited slip rear differential? Is there anyway of seeing this
> without dismateling the differential? The reason for me asking this is
> that I am going to change oil in the gearbox and differntial and
> according to the oil recomendations I have seen there is different oil
> quality in limited slip differentials as compared to differentials
> without this feature. Does it matter what oil I use? Which is best?
> Sincerely
> Lars Stjernfeldt


                       |            Dale Beuning           |
                       |       email:     |
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