why would you want to though?
the tranny can handle the same amount of power as a 328 and has the same number of gears. Seems like a waste of money unless your original is blown and you found a cheap m3 to replace it.
<span style='color:gray'><span style='font-family:Courier'>1995 e36 3 Series RIP
1999 e46 3 Series BURN IN HELL
2000 MR-S Roadster= Current</span></span>