The most powerful version in the BMW 6-Series->ke320 line-up has been caught testing once again, this time wearing less camouflage than ever. The new BMW M6 will be launched by the end of this year and will be offered in both coupe and convertible versions.

Like with the BMW M5->ke2922, the M6->ke208 will be powered by a 4.4-liter V8 bi-turbo engine that delivers a total of 560 HP and 502 pound-feet of torque. It is expected to hit a top speed of about 186 mph, while the sprint from 0 to 60 mph is expected to be made in under 4.5 seconds.

The latest spy shots reveal the design of the front spoiler that is clearly more aggressive than the current 6-Series. Next to this, the new M6 will be distinguished by quad exhaust pipes, a wider track and bumper with integrated rear diffuser, and of course, the hallowed M6 badge.

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