Prototype-R is proud to unleash our Stage X tuning solutions for BMW & Mini Cooper vehicles. Every Stage from mild to wild is available. Stages 1 and 2 have been dyno and road tested to produce the maximum amount of power in a safe and reliable manner. Stage 3 and Stage X are custom calibrations performed specifically for your vehicle, which requiring additional data logging and may require multiple revisions for your vehicle to safely reach it’s maximum potential.