New spy pictures of the next-generation BMW 6 Series Convertible have surfaced. New details unveiled include lines on the doors and the canvass roof itself.

BMW once again showing spy photographers their soft top format for its next-generation 6 Series Convertible. During testing it seems rain started coming down, prompting a roof cover up. Our pictures show the camouflaged car both covered and uncovered.

We can see some of the lines on the door for the first time. The rear end features two single tailpipes on either side, a telltale sign that this particular model is powered by a straight-six turbo engine. Other details revealed by previous spy shots include a centrally-mounted brake light and a larger BMW emblem at the rear.

The 6 Series Convertible will share most engines with the 5 Series and even feature the 4.4-litre twin turbo V8 making 300kW (402 bhp/ 408 PS) when it launches some time in 2011.

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