What e36/46 diff's have an LSD fitted?

[jason61c]

As above, looking for an 36/46 lsd but not an m3 one. can anyone help in how you can ident them or what cars were fitted with an lsd?

[dooosuk]

This was asked the other day and might be of help:
http://pistonheads.co.uk/gassing/topic.asp?h=0&amp...