This is probably the loudest BMW Gran Coupes you can ever imagine! Just listen to the crackling turbo noise, it's insane! This BMW Gran Coupe 650i is equipped with a Prior Design Widebody Aero kit and tuned to 600HP by PP-Performance. It all started with a BMW Gran Coupé 650i and tuned with lots of Prior Design parts including: PD6XX WB Front Bumper, Rear Bumper, Side Skirts, Front Fenders, Rear Widenings, Rear Trunk Spoiler, Bonnet/Engine Cover and many many more!