bcredliner, i have the one you are talking about.

Pedalbox?

Works amazing, and in all seriousness makes the car pull harder and no delay at smash the pedal launches.

Changes midrange dyanmics as well, versus it dropping another gear in manual mode, it stays in the same one and more usable midrange torque.

__________________
2006 X5 4.8is Fully Loaded