Nice car...I have always found the GP a bit chaotic in the style departent, too many colors and grey tints.
I say the wheel looks better in silver, possibily the same color of the roof, and I hate the red mirrors.
A few curiosities:
The rear bar is not a real chassis reinforcement, if you remove the interior plastics you'll see it not welded to anything. DO NOT fit 4 point harnesses to it!
The GP was built in Italy at Bertone facility!
It's the first mini with alluminium suspensions. The rear longitudinal element is a lot lighter than the steel one on the other R53s. R56s got the same suspensions after it.
It's fitted with a mechanical LSD, this was optional for a few year for 250€ on all the Cooper S but only a few people knew this so it's hard to find one with it. All the GPs have it.
Front brakes are JCW items.The size is the same of the R56 Cooper S, still floating calipers but bigger discs.
It's still the most powerful oem minis (on paper).