SIMON 4 - The Ultimate BMW Software Tuning Programmer N52 If you have an Alpha

If you have an Alpha N

the difference in sound with this mid pipe will be noticeable the first time with an open throttle

Torque: 413 Ft Lbs

How Does It Work:

SIMON 4 - The Ultimate BMW Software Tuning Programmer N52 If you have an AlphaSIMON 4 BMW TUNING PROGRAMMER ***THE SIMON 4 TUNING PROGRAMMER IS A TOOL USE TO READ AND WRITE TO YOUR ECU, IT IS ONLY SOLD WITH THE ACTUAL PERFORMANCE SOFTWARE. Before the SIMON 4, tuning your BMW required you to send your ECU to a BMW tuner like Active Autowerke to have the software modified uploaded by expert engineers. The ECU would then be re packaged and shipped back to you for re installation. In short, it was AT MINIMUM a 3 day fiasco. That