yea heres a pdf on flushing it too
http://www.unofficialbmw.com/images/steering-flush.pdf
link for stuff at bottom <-- very useful info on lubricants fluids and capacities
http://www.bmwworld.com/repairs/e36.htm
Engine Oil
Type API "Certified for gasoline engines"
Viscosity SAE 10W/40 to 20W/50
Cooling System 50/50 mixture of ethylene glycol based antifreeze
Manual Transmission
Green label (1992) Gear Lubricant Special (GLS)
Red label (1992) DEXRON III Type ATF
No Label (1992) 80W GL-4
1993 or later DEXRON III Type ATF
Automatic Transmission
1992 - 1996 DEXRON III Type ATF
1997 and later Special Lubricant Fluid (SLF)
Final Drive Unit Hypoid gear oil
Braking System DOT 4 brake fluid
Power Steering DEXRON II Type ATF 1.5 quarts