i always push it on the move, and as much as the car does change its temper as stated above. its nothing like when you push the M button in the E60 M5 and 100+hp hits you.
2010 Audi R8 V10 Coupe 6MT-White on Red
GMG Exhaust | H&R Springs | H&R Spacers | Carbonio Intake | UniTronic ECU Upgrade| 15% Tints/50% Windshield|LED License Plate
2013 Range Rover Sport-Black on Black
Stock with 15% Tint & 50% Windshield