According to a recent report, BMW will offer a high-performance version of the 2015 7-Series.

According to a recent report, BMW will offer a high-performance version of the 2015 7-Series.

Automobile Magazine says the model will be called the M770i xDrive and feature a twin-turbo 4.0-liter V8 engine with approximately 475 hp (354 kW / 482 PS) and 480 lb-ft (650 Nm) of torque.

While those numbers don't sound terribly impressive compared to the Mercedes S63 AMG, which has 537 hp (400 kW / 544 PS) and 800 Nm (590 lb-ft), the M770iX is rumored to have a greater emphasis on lightweight construction and improved handling. As such, it will reportedly feature carbon fiber body panels (on the roof, trunk and hood), lightweight sport seats and carbon-ceramic brakes. There could also be a special eight-speed automatic transmission, a four-tailpipe exhaust system and 20-inch lightweight alloy wheels.

As for the mainstream models, they will reportedly benefit from a lightweight architecture that incorporates carbon fiber and aluminum. This could enable the sedan to weigh 450 lbs (204 kg) less than its predecessor.

Engine options could include a 260 hp (194 kW / 264 PS) four-cylinder, a 340 hp (254 kW / 345 PS) six-cylinder and a 460 hp (343 kW / 466 PS) V8. We can also expect two plug-in hybrid variants built around a 2.0-liter four-cylinder engine and a 3.0-liter six-cylinder engine.

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