Imagine a lighter, faster BMW M3. Here it is: the G-Power M3 GTS with 635 supercharged horses and 464 lb-ft of torque. BMW made a limited run of 150 GTS models, which were a little spryer and somewhat more powerful than a normal street version. It also had adjustable aero parts and a modified suspension. G-Power didn’t think BMW went far enough, and so has added a supercharger and an all-titanium exhaust. The company is claiming zero to 60 mph in 4.2 seconds, 120 mph in 11.9, a top speed of 200 mph and quicker lap times by up to two seconds. The system costs the equivalent of $33,572 in euros, plus installation and taxes.