Originally Posted by Grendeltouring
I will say that I wasn't all that impressed with E90 xDrive auto loaners that I've had, the auto transmission didn't seem to mate well with the AWD drivetrain and the N52. The N52 autos aren't the ZF boxes that are in the 335, there's a big difference in that transmission. I'd definitely go for a manual if you can find one, I did a search recently and there seem to be a number of them out there if you're willing to travel or have it shipped.
Ya anything under 335 only the manuals get ZF transmissions, Autos are GM tranny which I would stay away from definitely. Ive had to replace E46 328 GM auto it cost arm and leg.