Don't do it! The Carbahn tune is so fast, one of these will happen:
a) you will lose all bowel control.
b) you will enter another dimension.
c) you will lose your warranty if you dyno the car to get true numbers.
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Nardo Grey/Aragon M5C
Burger Tuning JB4, H & R 550 springs, spacers 13mm front and 10mm rear, Michelin PS4S 285/30/20 front, 295/30/20 rear, Remus racing exhaust, Eventuri V2 intake, Suntek Ultra PPF entire car, ceramic coated wheels/brakes, 20% ceramic tints, assorted CF bits.