Originally Posted by bimmerjph
It would still be the HP8,but ZF makes version of that transmission that can handle more power. So its the same basic tranny, but it is beefier.
It's kind of the same tranny. The beefier tranny versions of what is currently in the 335i cars have different dimensions than our current tranny. A swap would likely require drivetrain modification (shorter driveshaft, etc).