ZF-Lifeguard Fluid 5 - Part Number: s671 090 173
New Transmission Filter
New Gasket of the Sumps
It is not an easy job to do, so i sent the car to garage and let the expert to do it...
http://www.pelicanparts.com/BMW/techarticles/E36-Tranny_Fluid_Auto/E36-Tranny_Fluid_Auto.htm
http://www.hkbmwgroup.com/bbs/dispbbs.asp?boardID=13&ID=34389
