[E36graduate]

I use Mobil 1 synthetic ATF. Did it around 90K and then when I did my clutch at 120K. When I took out the ATF at 120K (30k miles on ATF), it looked like new.

I'm not saying this is the way to go, but there is a lot of discussions out there about atf and the bmw oil engineered just for the TC.

Originally Posted by Wayne's World

I took a chance and used this:
http://www.amsoil.com/StoreFront/ima..._qt_640pxh.jpg

Been using it for 6 months now and no issues. 75w, GL4. At $15/qt, it's decent stuff.