To get the most out of your (E46) 325, 330, (E39) 525, or 530. (MS43 equipped M54.)
We also offer off the shelf tunes for most standard applications.
Ideal for tuning for special cams or forced induction.
ECU must be shipped to us for programming or programmed in person. The TRM Flasher/Logger will be available for this application shortly, and remote tuning cable options are also available.