89 325is Manual what diff?

[mightywhitey]

Is there a way of knowing what diff is in a car just by knowing some basic car info. I looked under the car but the diff is covered in dirt mud and I wondered if there was a way to know what the diff is.

Its a 1989 325is manual. Obviously I know I can jack up the car and clean it and check just looking for some info. A friend said it should be a 3.73

[Bimmerman325i]

3.73, probably limited slip.

[mightywhitey]

Nice now I have an option to my s410

[Cabriolet]

s3.73 for sure. or s4.10 if its a vert.

[slammin.e28]

My friends 1989 325is w/5sp had an open 3.73.

[mightywhitey]

good info. Ill get it cleaned up tonight and post the results.

[Dermeister3]

Get the VIN decoded, that should do it. :)

[bzboardz]

just wire brush the tag and read it to be sure, but those^^ are probably right