G-Power Unveils 740 HP BMW M6 Gran Coupe

BMW M6, Tuning | April 4th, 2016 by 2
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In the horsepower war BMW M is lagging behind its AMG archrival at the moment, but if that’s something you’d like to fix on your …

In the horsepower war BMW M is lagging behind its AMG archrival at the moment, but if that’s something you’d like to fix on your BMW, tuners like G-Power can help you out.

The German company just announced that it now offers a power kit that can take the output of your M6 Gran Coupe from its stock 560 HP and 680 Nm (501 lb-ft) of torque to as far as 740 HP and 905 Nm (667 lb-ft) of torque. That’s a 180 HP increase which turns the four-door coupe into a borderline supercar.

If that’s just too much for you, the guys are also offering smaller power increases. Starting off with a kit that makes the S63 4.4-liter V8 unit deliver 650 HP, going up to 700 HP for those looking for an even number, the choices are well thought out.

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However, for the most hardcore iteration, you’ll need some rather nifty mechanical improvements to make sure everything holds up under the intense pressure applied at the new HP values.

The exhaust system is the one that has to be changed first ensuring the backpressure is reduces drastically. G-Power offers a couple of choices, from using stainless steel downpipes with with or without 200-cell cats with a gas-flow optimized design to something a bit more drastic.

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With the Bi-Tronik 2 V3 module, the customers get a titanium exhaust with integrated resonators that sounds even better and also drops about 10.5 kg (22 lbs) of weight compared to the stock version.

Thanks to the 740 HP and 905 Nm (667 lb-ft) of torque, the M6 Gran Coupe can accelerate to incredible speeds in a timely manner. Reaching 100 km/h (62 mph) as a benchmark wouldn’t make sense since going twice as fast happens in 10.5 seconds, with a top speed of 325 km/h (203 mph).

 

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