BMW E36 differentials

E36 320i – type 168, final drive 3.45
E36/5 323ti compact – type 188 differential, final drive 3.07
E36 325i – type 188, final drive 3.15

E36/5 323ti type 188 differential – same as E30 type 188, E34 type 188 (speed sensor plate bigger in diameter, needs to be removed or cut to fit E36/5 rear cover)

Retrofitting E36/5 small case type 168 diff needs smaller diam type 168 halfshafts and prop shaft