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BMW M5 Hurricane RRs: When 500 horsepower isn’t enough

G-Power Hurricane RRs front three-quarter viewThe last generation BMW M5 (E60 to Bimmer fans) was an impressive machine. It’s 5.0-liter V10 put out 500 horsepower, with a sound reminiscent of Formula 1. Apparently, that is not enough for some people. German tuner G-Power is building a monster called the Hurricane RRs, which turns the dial up to 818 hp, and 575 pound-feet of torque.

The appropriately named Hurricane gets its extra power from a pair of ASA T1-316 superchargers. The engine is also reinforced with new pistons, connecting rods and pins, a new engine management system, and a high-performance fuel pump and injectors. In 2010, an M5 Hurricane was clocked at 232.5 mph; G-Power says this makes it the world’s fastest sedan. That car only had 792 hp; all 2012 Hurricanes get the full 818 as part of a “jubilee” package celebrating the 100th Hurricane built. The fact that 100 people thought their 500 hp M5 wasn’t powerful enough is pretty remarkable.

In addition to the 230+ mph top speed, G-Power expects the Hurricane to have mind-bending acceleration. The company says its super M5 will do 0-62 mph (0-100 kph) in 4.3 seconds. A new (F10) M5, with a 552 hp twin-turbo V8, does it in 4.4 seconds, but its top speed is electronically limited to 155 mph. For all its power, the Hurricane can’t seem to get off the line much quicker than a new stock M5, although it is a bit of an improvement over a stock E60’s 4.7 seconds.

Most people will never have the opportunity to drive more than 100 mph, let alone 155, so what’s the point of the Hurricane? It could be as much about subjectivity as it is about performance figures. The new M5 is a technically brilliant car, but it has too much technology for some gearheads. The F10 is so quiet that BMW has to play engine sounds through the speakers to remind the driver that he/she is in an M5, and not a 528i. The electric power steering is smooth and effortless, but it also disconnects the driver from the subtle feedback transmitted from the road to his or her palms. Details like these are why car fans still flock to the more raucous E60.

There is also the matter of bragging rights. None of G-Power’s 100 Hurricane buyers may ever take their cars up to 232.5 mph, but it will be fun to tell people that they can.

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