The cold misty air does its best to hide the new aerodynamic feature but there is no hiding the additional piece poking out above the rear boot lid.

A prototype for the 2013 BMW 3-Series GT has been caught once again, but this is the first time we get a glimpse of the retractable rear wing. The cold misty air does its best to hide the new aerodynamic feature but there is no hiding the additional piece poking out above the rear boot lid.

The new 3-Series GT will inherit the engine range from its sedan sibling. This will include a range of diesel and petrol four-cylinder and six-cylinder options. The range topping 335i GT will boast the twin-turbo 3.0 liter inline six-cylinder unit producing 306 PS (225 kW / 302 hp).

Expect to see the 3-series GT unveiled later this year before hitting dealerships in March 2013.

More photos at BimmerToday.de source link just below.

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