For its latest effort, the German brand is raising the pulse on the new BMW M6 Coupe (F13) with a performance package that starts with the 4.4-liter twin-turbocharged V8 lifting output from 553hp (560PS) and 680Nm (501 lb-ft) to 631hp (640PS) and 770Nm (568 lb-ft) – the same as G-Power's M5 tune.
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While the G-Power 1 M Coupé made use of the original model's 3.0-liter turbocharged straight six, the G1 HURRICANE RS borrows the 4.0-liter V8 engine from the M3 E92 Coupe.
In fact, G-Power installed the entire powertrain from the M3 including the DCT double-clutch transmission gearbox and stainless steel exhaust system, and while it was at it, also made use of the M3's front and rear axles!
Being the power-hungry company that it is, the Germany tuner wasn't satisfied with the stock engine's 414hp (420PS) so it bolted on a customized ASA supercharger system along with several other goods such as an aluminium cast air box that boost output to 591hp (600PS) and peak torque to 580Nm (428 lb-ft).
At the core of the upgrade package is a comprehensive tune of the 1M Coupe's 3.0-liter turbocharged inline-six.
The German firm's engineers raise the pulse of the force-fed powerplant with an elaborate kit that includes reprogrammed software, flow optimized downpipes, enlarged capacity for the boost cooling system and a lightweight custom exhaust system made from titanium that shaves 20kg (44 pounds) over the stock exhaust.
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To mark the production milestone, the BMW tuning guru has introduced a special edition version of the E60-based M5 Hurricane RR that benefits from a 30-horsepower boost, which lifts the total output of the heavily-reworked and twin-supercharged 5.0-liter V10 from 789hp (800PS) to 819hp (830PS).
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At the heart of G-Power's tune is BMW's 4.4-liter twin-turbocharged V8 engine that normally produces 560-horsepower and a peak torque of 680 Nm (502 lb-ft) from 1,500 rpm.
After the German company's engineers update the ECU and add a new custom exhaust system, the V8's output is lifted to 640-horsepower and 777Nm (573 lb-ft).
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But not on the Autobahn where a member of the GTBoard forums took a G-Power BMW M5 Hurricane RR up to a top speed of 357km/h or 222mph.
As a refresher, when G-Power introduced the BMW M5 E60-based Hurricane RR a couple years back, it claimed at the time that it was the fastest saloon in the world – we don't know if it still holds the crown today.
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CLP Automotive begins with a wide body kit that adds blistered front and rear wheel arches together with matching rocker panels and bumpers, a new hood with additional vents and a central dome, plus a large fixed rear wing.
Nevertheless, famed BMW tuner G-Power thinks something’s missing, namely “the ultimate output”. That’s why the Autenzell-based specialist will modify three GTS models, two of which have already arrived at its headquarters in Germany.
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While based on the outgoing BMW M6 Coupé, the Hurricane RR Coupe adopts the V10 bi-supercharger engine from G-Power's M5 Hurricane RR, which delivers 800-horsepower between 7,500 and 8,000 rpm, and a maximum torque of 800 Nm (or 590 lb-ft) generated at 5,000 rpm.
Both the Tornado CS and GT2 S - the Tornado is the more subdued of the two - get G-Power's SK II CS supercharger system, lightened wheels, and a "Clubsport" coilover system.
Both cars crank out 600 horsepower and 580 Nm of torque, resulting in a theoretical top speed of over 320 km/h with a six-speed (330 km/h with the 7-speed DCT).
Simply called the Storm, G-Power's latest achievement will be produced in a limited run of just 10 units worldwide and it promises to bring the rain on other tuning proposals like the 500HP Alpina B7.
Starting with the engine, G-Power's technicians fiddled around with the 6.0-liter V12 bi-turbochargers increasing maximum boost pressure from 0.5 bar to 0.9 bar. They also recalibrated the ECU, added larger injection valves and created an entirely new exhaust system.
The German tuner has upgraded the 4.4-liter V8 turbocharged engine found in both M models with a reprogrammed ECU resulting in a modest boost in output to 600 horsepower at 6,000 rpm and 700Nm or 516 pound-feet of torque from 2,000 rpm.
Along with the removal of the speed limiter, the two modified SUVs / SAVs / Crossovers (make your pick) are now propelled to a top speed in excess of 300km/h (187mph), with 0 to 100km/h (62mph) acceleration coming in 4.5 seconds and to 200km/h (124mph) in just 16.2 seconds.
There's also a new suspension kit that lower's the ride height of both models by around 30mm.
G-Power was never about subtle aero mods, and the company makes no exception with the X5 M and X6 M. Both models feature a different front bumper with extra large air-inlets on each corner along with a new bonnet made of Kevlar hybrid or full carbon and side skirts.
The rear is marked by a new apron, a diffuser that houses the stainless steel exhaust pipes, a roof spoiler, and in the case of the X6 M, a boot wing also.
G-Power has designed two separate sets of 23-inch alloy wheels that are shod in 315/25 ZR23 high-performance Michelin tires for the X5 M and X6 M.
The company also enhances the interior of the two M models with numerous parts such as a new sports steering wheel, a speedometer in G-POWER design and carbon-fiber covers for the side linings, central console and the dashboard.
G-Power said that €6,990 (plus assembly) will buy you the aero kit, €8,865.55 the new alloy wheels and tires, €3,021 the full stainless steel end muffler and €4,701.68 V8 engine power upgrade.
This time, BMW 'super tuner' G-Power has turned its attention on two previous generation 'M' sports cars, the M3 E46 and the Z4M with the presentation of a somewhat tamer performance package than what we're used to from the German company. At the heart of the tuning program is a new large ASA TM I 20 centrifugal supercharger that boosts the M3 and Z4M 3.2-liter straight-six engine's output from 343HP and 365Nm to 450HP and 450Nm or 331.9 lb-ft of torque. T
he 107 horsepower boost helps improve acceleration from standstill to 200km/h or 124mph from the standard M3 E46 Coupe's 18,1 seconds to 14,7 seconds, making it even faster than the current 420HP-strong M3 V8 that needs 15.8 seconds for the same sprint.
To improve road handling, the performance package for both the M3 E46 and Z4M include a continuously height-adjustable G-Power coil-over suspension RS with nine selectable settings each for bound and rebound.
The M division sports cars ride on lightweight 20-inch alloy wheels shod in Michelin Pilot Sport tires (245/30 ZR 20 at the front and 285/25 ZR 20 at the back) that allow a top speed of more than 300km/h or 187mph.
Though not included in the basic package, G-Power also offers a sports rear muffler that produces a deeper and more sonorous tone.
The Germans at G-Power have released their first take on the second generation BMW Z4 E89 hardtop-roadster. The tuning firm's performance package for the new Z4 includes a power kit for the sDrive 35i's 3.0-liter twin-turbocharged inline six engine along with suspension and wheel/tire upgrades. We suspect that it won't be long before G-Power unleashes a 400HP+ beast based on the Z4 but until then, let's see in detail what the company has prepared for the German roadster starting off with the engine kit. The Z4 sDrive 35i's twin-turbocharged inline six benefits from the BI-TRONIK performance module that that pushes the factory engine's output from a standard 306HP and 400Nm (295-lbs/ft) of torque to a more satisfying 345HP and 480Nm (354-lbs/ft) of torque. G-Power claims that with this kit, the 345HP Z4 Roadster can accelerate from 0 to 100km/h (62mph) in 4.7 seconds, or half a second faster than the factory model.
G-Power's offerings also include a new coil-over suspension and a more sonorous stainless steel sport rear muffler with four tail pipes. While the tuning firm has not released any type of aero parts (yet), Z4 owners can equip their car with a new set of 20-inch lightweight alloy wheels wrapped in Michelin Pilot Sport rubber (255/30 ZR 20 up front and 295/25 ZR 20 at the rear).
And now for the prices. The cost for the 20 inch alloy wheels along with the Michelin tires is €4,474 while the coil-over suspension is €1,256 and the rear muffler, €1,508. As for the engine kit, prices have been set at €1,978 but unless you know your way around the engine bay, you'll have to pay another €403 to get it installed.
Even the most recent BMW M3 with its 420HP V8 engine can't escape from the tuning claws of G-Power. However, if you've been following the latest news from the German tuning firm, you will probably be surprised with the somewhat modest upgrades that G-Power has incorporated into the M3 Coupe Tornado. The most significant change concerns the addition of tailor-made 'light' supercharger from ASA with a moderate 0,3 bar boost. Along with a new intercooler and a performance exhaust system, the 4.0-liter V8's output increases from 420HP and 400Nm to 500HP and 480Nm (354-lbs/ft). 
G-Power says that the supercharged M3 Coupe with the 6-speed manual gearbox can accelerate from standstill to 200km/h (124mph) in just 13.5 seconds compared to the standard M3's time of 15.8 seconds. Customers can opt for the removal of the electronic speed limiter, in which case the M3 Coupe Tornado can reach a top speed in excess of 320km/h or +199mph..
The M3 Coupe Tornado also comes with a height-adjustable coil-over suspension with nine selectable settings each for bound and rebound while the car rides on Michelin Pilot Sport tires -255/30 ZR20 in front, 295/25 ZR20 in the rear- mounted on lightweight 20-inch Silverstone alloy wheels. The kit is complemented by a new four-pipe muffler made from stainless steel or optionally, from titanium which is 14,5kg or 32-lbs lighter than the factory part.
Unlike other G-Power models like the M6 Hurricane CS and the X5 Typhoon, the M3 Coupe Tornado does not feature any exterior upgrades other than the rims. The German firm does however update the interior with carbon-fiber trim, a new speedometer with the G-Power logo, an aluminum pedal set and optionally, a special leather treatment.
