Originally Posted by FStop7
If the E9x transmission is built anything like the E46 transmission then it can handle everything you can throw at it. Look at all the E46 M3's that are running 600+hp and 400+tq to the wheels with HPF turbo kits, for example.
The Getrag transmissions are super strong.
400ftlbs of tq is a complete joke! My wifes mini could handle that!