GTR is a glorified point and shoot car. The M3 is a close second. You wanna learn driving? Get a base miata or a lotus with no ABS..that should set your egos on fire.
That being said-Congrats OP! It's hell of an engineering exercise and a definite keeper.
2011 Alpine White/Fox Red E90 M3. Sunroof Delete/DCT/No power seats/Square Apex ARC8s+ PSS /ACM Exhaust Mod+ EAS Tips