2008 G-Power M6 Hurricane Convertible

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General Information

Vehicle Type: 2-door convertible, modified car
Price: $287,500

Drivetrain

Configuration: Front Engine/RWD
Engine: Twin-Supercharged V10
Displacement: 5000 cc
Horsepower: 635 bhp @ 7300 rpm
Torque: 469 lb-ft @ 6300 rpm
Max RPM: 8250 rpm
Transmission: 7-Speed SMG

Performance

0-60 mph: 4.5 sec
Top Speed: 198 mph

One of the world’s fastest and most powerful convertibles is made by G-Power. The 335-km/h G-PowerM6 Hurricane is based on the latest BMW M6. At the heart of the high-performance convertible is a five-liter V10 engine with G-Power BI-Kompressor system that delivers 635 hp.

To achieve the desired increase in power output of 128 hp / 94 kW for the fast-revving engine that normally produces 507 hp / 373 kW, G-Power has developed a high-tech supercharging system. The system uses one belt-driven ASA T1-12 compressor for each cylinder bank. Contrary to conventional mechanical chargers that waste a large portion of the additional power on being driven themselves, the ASA compressor has an efficiency rate of up to 80 percent. The ASA charger is also small, which allows G-Power to install two of them in the tight confines of the M6 engine bay. With a maximum airstream volume of up to 1,200 kg per hour per cylinder bank the compressors are designed for an even higher power output than the limited boost pressure of 0.4 bars featured at the M6 Hurricane convertible. In comparison: The G-Power M5 V10 Hurricane based on the BMW M5 with a boost pressure of 0.7 bars is producing 730 hp and holds the record for the fastest street legal BMW with a top speed of 360 km/h.

The pre-compressed charge air is cooled down in a highly efficient dual-flow water-to-air intercooler system that is mounted above the engine. This measure optimizes power yield, throttle response and also ensures the engine’s thermal health. Specially developed mapping for engine electronics and SMG gearbox controls coordinate the perfect interaction of all new components.

The supercharged M6 V10 engine produces its maximum power output of 635 hp / 467 kW at 7,300. The high efficiency rate of the two ASA superchargers, each spinning at up to 100,000 rpm and more, results in a torque diagram that rises early and at 3,600 rpm already surpasses the production engine’s peak torque of 520 Nm, delivered at 6,100 rpm. The new peak of 635 Nm is reached at 6,300 rpm. This special characteristic is, apart from the outstanding reliability and long life qualities, the reason why ALPINA features the ASA superchargers in their models B5, B6 and B7, as well.

Acceleration performance benefits from the perfect performance characteristic accordingly. With a sprint time from rest to 100 km/h of 4.6 seconds and to 200 km/h in 11,9 seconds the 2-ton convertible accelerates like a true sports car. The 300-km/h barrier is shattered after 34,5 seconds from standstill. Contrary to the production car the G-Power Hurricane is not limited electronically to a top speed of 250 km/h but to 320 km/h. The determining factors therefore are weight, tyres and most important the soft top of the M6 convertible.

The enormous performance places extreme demands on aerodynamics, tires, suspension and brakes.

The G-Power front apron, upon request also available made from especially light carbon fiber, replaces the production part in its entirety. Its large air inlets provide optimal supply of cooling air for all radiators and front brakes. At the same time the spoiler minimizes lift on the front axle at high speeds. The G-Power rocker panels smooth the airflow between the wheel houses and give the M6 a longer, lower and sleeker appearance. Lift on the rear axle is reduced by the carbon-fiber rear diffuser for the G-Power rear apron.

Even better driving dynamics and more exclusive looks are the hallmark of the G-Power Silverstone 21-inch light-alloy wheels that fill out the space beneath the wheel arches perfectly. The drop-center rims have brilliant-graphite coated centers while the outer rim wells and spokes are polished. They are mounted in sizes 9.5 J x 21 with size 255/30 ZR 21 tires in front and size 10.5 J x 21 wheels with size 295/25 ZR 21 tires on the rear axle. Technology partner Dunlop provides the perfect high-speed tires.

The large wheels make room for the G-Power high-performance brake system with eight-piston fixed calipers and 380 x 34 millimeter brake discs on the front axle. The M6 handling can be made even sportier by installing the height-adjustable G-Power coil-over suspension RS with nine selectable settings each for bound and rebound.

The G-Power M6 Hurricane convertible is available as a fully converted car starting at 183,000 Euros. Any existing M6 – sedan and wagon – can also be upgraded with the G-Power twin-compressor system along with numerous items from the extensive G-Power tuning accessories lineup. For M6 coupé drivers only is the 730 hp version of the G-Power BI-Kompressor system available, as well.

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